9721755

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 18800640

約数和(自身を除く): 9078885

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 93, 101, 115, 135, 155, 207, 279, 303, 345, 465, 505, 621, 713, 837, 909, 1035, 1395, 1515, 2139, 2323, 2727, 3105, 3131, 3565, 4185, 4545, 6417, 6969, 9393, 10695, 11615, 13635, 15655, 19251, 20907, 28179, 32085, 34845, 46965, 62721, 72013, 84537, 96255, 104535, 140895, 216039, 313605, 360065, 422685, 648117, 1080195, 1944351, 3240585, 9721755]

約数ペア:

[(1, 9721755), (3, 3240585), (5, 1944351), (9, 1080195), (15, 648117), (23, 422685), (27, 360065), (31, 313605), (45, 216039), (69, 140895), (93, 104535), (101, 96255), (115, 84537), (135, 72013), (155, 62721), (207, 46965), (279, 34845), (303, 32085), (345, 28179), (465, 20907), (505, 19251), (621, 15655), (713, 13635), (837, 11615), (909, 10695), (1035, 9393), (1395, 6969), (1515, 6417), (2139, 4545), (2323, 4185), (2727, 3565), (3105, 3131)]