2255715

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 96

約数和(自身を含む): 5253120

約数和(自身を除く): 2997405

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 31, 33, 35, 45, 49, 55, 63, 77, 93, 99, 105, 135, 147, 155, 165, 189, 217, 231, 245, 279, 297, 315, 341, 385, 441, 465, 495, 539, 651, 693, 735, 837, 945, 1023, 1085, 1155, 1323, 1395, 1485, 1519, 1617, 1705, 1953, 2079, 2205, 2387, 2695, 3069, 3255, 3465, 4185, 4557, 4851, 5115, 5859, 6615, 7161, 7595, 8085, 9207, 9765, 10395, 11935, 13671, 14553, 15345, 16709, 21483, 22785, 24255, 29295, 35805, 41013, 46035, 50127, 64449, 68355, 72765, 83545, 107415, 150381, 205065, 250635, 322245, 451143, 751905, 2255715]

約数ペア:

[(1, 2255715), (3, 751905), (5, 451143), (7, 322245), (9, 250635), (11, 205065), (15, 150381), (21, 107415), (27, 83545), (31, 72765), (33, 68355), (35, 64449), (45, 50127), (49, 46035), (55, 41013), (63, 35805), (77, 29295), (93, 24255), (99, 22785), (105, 21483), (135, 16709), (147, 15345), (155, 14553), (165, 13671), (189, 11935), (217, 10395), (231, 9765), (245, 9207), (279, 8085), (297, 7595), (315, 7161), (341, 6615), (385, 5859), (441, 5115), (465, 4851), (495, 4557), (539, 4185), (651, 3465), (693, 3255), (735, 3069), (837, 2695), (945, 2387), (1023, 2205), (1085, 2079), (1155, 1953), (1323, 1705), (1395, 1617), (1485, 1519)]