18078290559

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:1042

約数の個数: 128

約数和(自身を含む): 32912179200

約数和(自身を除く): 14833888641

約数列:

[1, 3, 7, 9, 21, 23, 27, 61, 63, 69, 79, 161, 183, 189, 207, 237, 427, 483, 549, 553, 621, 711, 863, 1281, 1403, 1449, 1647, 1659, 1817, 2133, 2589, 3843, 4209, 4347, 4819, 4977, 5451, 6041, 7767, 9821, 11529, 12627, 12719, 14457, 14931, 16353, 18123, 19849, 23301, 29463, 33733, 37881, 38157, 43371, 49059, 52643, 54369, 59547, 68177, 88389, 101199, 110837, 114471, 130113, 138943, 157929, 163107, 178641, 204531, 265167, 303597, 332511, 343413, 368501, 416829, 473787, 477239, 535923, 613593, 775859, 910791, 997533, 1105503, 1210789, 1250487, 1421361, 1431717, 1568071, 1840779, 2327577, 2992599, 3316509, 3632367, 3751461, 4158797, 4295151, 4704213, 6982731, 8475523, 9949527, 10897101, 10976497, 12476391, 12885453, 14112639, 20948193, 25426569, 29111579, 32691303, 32929491, 37429173, 42337917, 76279707, 87334737, 95652331, 98788473, 112287519, 228839121, 262004211, 286956993, 296365419, 669566317, 786012633, 860870979, 2008698951, 2582612937, 6026096853, 18078290559]

約数ペア:

[(1, 18078290559), (3, 6026096853), (7, 2582612937), (9, 2008698951), (21, 860870979), (23, 786012633), (27, 669566317), (61, 296365419), (63, 286956993), (69, 262004211), (79, 228839121), (161, 112287519), (183, 98788473), (189, 95652331), (207, 87334737), (237, 76279707), (427, 42337917), (483, 37429173), (549, 32929491), (553, 32691303), (621, 29111579), (711, 25426569), (863, 20948193), (1281, 14112639), (1403, 12885453), (1449, 12476391), (1647, 10976497), (1659, 10897101), (1817, 9949527), (2133, 8475523), (2589, 6982731), (3843, 4704213), (4209, 4295151), (4347, 4158797), (4819, 3751461), (4977, 3632367), (5451, 3316509), (6041, 2992599), (7767, 2327577), (9821, 1840779), (11529, 1568071), (12627, 1431717), (12719, 1421361), (14457, 1250487), (14931, 1210789), (16353, 1105503), (18123, 997533), (19849, 910791), (23301, 775859), (29463, 613593), (33733, 535923), (37881, 477239), (38157, 473787), (43371, 416829), (49059, 368501), (52643, 343413), (54369, 332511), (59547, 303597), (68177, 265167), (88389, 204531), (101199, 178641), (110837, 163107), (114471, 157929), (130113, 138943)]