11987415

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 23096736

約数和(自身を除く): 11109321

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 61, 99, 165, 183, 305, 397, 495, 549, 671, 915, 1191, 1985, 2013, 2745, 3355, 3573, 4367, 5955, 6039, 10065, 13101, 17865, 21835, 24217, 30195, 39303, 65505, 72651, 121085, 196515, 217953, 266387, 363255, 799161, 1089765, 1331935, 2397483, 3995805, 11987415]

約数ペア:

[(1, 11987415), (3, 3995805), (5, 2397483), (9, 1331935), (11, 1089765), (15, 799161), (33, 363255), (45, 266387), (55, 217953), (61, 196515), (99, 121085), (165, 72651), (183, 65505), (305, 39303), (397, 30195), (495, 24217), (549, 21835), (671, 17865), (915, 13101), (1191, 10065), (1985, 6039), (2013, 5955), (2745, 4367), (3355, 3573)]