87661245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{119267}}^1$

素因数の和:119289

約数の個数: 24

約数和(自身を含む): 163158624

約数和(自身を除く): 75497379

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 119267, 357801, 596335, 834869, 1789005, 2504607, 4174345, 5844083, 12523035, 17532249, 29220415, 87661245]

約数ペア:

[(1, 87661245), (3, 29220415), (5, 17532249), (7, 12523035), (15, 5844083), (21, 4174345), (35, 2504607), (49, 1789005), (105, 834869), (147, 596335), (245, 357801), (735, 119267)]