90243387

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 146764800

約数和(自身を除く): 56521413

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 139, 179, 279, 403, 417, 537, 1209, 1251, 1611, 1807, 2327, 3627, 4309, 5421, 5549, 6981, 12927, 16263, 16647, 20943, 24881, 38781, 49941, 56017, 72137, 74643, 168051, 216411, 223929, 323453, 504153, 649233, 771311, 970359, 2313933, 2911077, 6941799, 10027043, 30081129, 90243387]

約数ペア:

[(1, 90243387), (3, 30081129), (9, 10027043), (13, 6941799), (31, 2911077), (39, 2313933), (93, 970359), (117, 771311), (139, 649233), (179, 504153), (279, 323453), (403, 223929), (417, 216411), (537, 168051), (1209, 74643), (1251, 72137), (1611, 56017), (1807, 49941), (2327, 38781), (3627, 24881), (4309, 20943), (5421, 16647), (5549, 16263), (6981, 12927)]