15972657

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 7251663

約数列:

[1, 3, 31, 41, 59, 71, 93, 123, 177, 213, 1271, 1829, 2201, 2419, 2911, 3813, 4189, 5487, 6603, 7257, 8733, 12567, 74989, 90241, 129859, 171749, 224967, 270723, 389577, 515247, 5324219, 15972657]

約数ペア:

[(1, 15972657), (3, 5324219), (31, 515247), (41, 389577), (59, 270723), (71, 224967), (93, 171749), (123, 129859), (177, 90241), (213, 74989), (1271, 12567), (1829, 8733), (2201, 7257), (2419, 6603), (2911, 5487), (3813, 4189)]