91217745

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2851}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 165644160

約数和(自身を除く): 74426415

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 2851, 3555, 6399, 8553, 10665, 14255, 25659, 31995, 42765, 76977, 128295, 225229, 230931, 384885, 675687, 1126145, 1154655, 2027061, 3378435, 6081183, 10135305, 18243549, 30405915, 91217745]

約数ペア:

[(1, 91217745), (3, 30405915), (5, 18243549), (9, 10135305), (15, 6081183), (27, 3378435), (45, 2027061), (79, 1154655), (81, 1126145), (135, 675687), (237, 384885), (395, 230931), (405, 225229), (711, 128295), (1185, 76977), (2133, 42765), (2851, 31995), (3555, 25659), (6399, 14255), (8553, 10665)]