23278185

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 53778816

約数和(自身を除く): 30500631

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 27, 35, 45, 49, 51, 63, 69, 81, 85, 105, 115, 119, 135, 147, 153, 161, 189, 207, 243, 245, 255, 315, 345, 357, 391, 405, 441, 459, 483, 567, 595, 621, 735, 765, 805, 833, 945, 1035, 1071, 1127, 1173, 1215, 1323, 1377, 1449, 1701, 1785, 1863, 1955, 2205, 2295, 2415, 2499, 2737, 2835, 3105, 3213, 3381, 3519, 3969, 4131, 4165, 4347, 5355, 5589, 5635, 5865, 6615, 6885, 7245, 7497, 8211, 8505, 9315, 9639, 10143, 10557, 11907, 12495, 13041, 13685, 16065, 16905, 17595, 19159, 19845, 20655, 21735, 22491, 24633, 27945, 28917, 30429, 31671, 37485, 39123, 41055, 48195, 50715, 52785, 57477, 59535, 65205, 67473, 73899, 91287, 95013, 95795, 112455, 123165, 144585, 152145, 158355, 172431, 195615, 202419, 221697, 273861, 287385, 337365, 369495, 456435, 475065, 517293, 665091, 862155, 1012095, 1108485, 1369305, 1551879, 2586465, 3325455, 4655637, 7759395, 23278185]

約数ペア:

[(1, 23278185), (3, 7759395), (5, 4655637), (7, 3325455), (9, 2586465), (15, 1551879), (17, 1369305), (21, 1108485), (23, 1012095), (27, 862155), (35, 665091), (45, 517293), (49, 475065), (51, 456435), (63, 369495), (69, 337365), (81, 287385), (85, 273861), (105, 221697), (115, 202419), (119, 195615), (135, 172431), (147, 158355), (153, 152145), (161, 144585), (189, 123165), (207, 112455), (243, 95795), (245, 95013), (255, 91287), (315, 73899), (345, 67473), (357, 65205), (391, 59535), (405, 57477), (441, 52785), (459, 50715), (483, 48195), (567, 41055), (595, 39123), (621, 37485), (735, 31671), (765, 30429), (805, 28917), (833, 27945), (945, 24633), (1035, 22491), (1071, 21735), (1127, 20655), (1173, 19845), (1215, 19159), (1323, 17595), (1377, 16905), (1449, 16065), (1701, 13685), (1785, 13041), (1863, 12495), (1955, 11907), (2205, 10557), (2295, 10143), (2415, 9639), (2499, 9315), (2737, 8505), (2835, 8211), (3105, 7497), (3213, 7245), (3381, 6885), (3519, 6615), (3969, 5865), (4131, 5635), (4165, 5589), (4347, 5355)]