210005705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1151}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 311205888

約数和(自身を除く): 101200183

約数列:

[1, 5, 7, 13, 35, 65, 91, 401, 455, 1151, 2005, 2807, 5213, 5755, 8057, 14035, 14963, 26065, 36491, 40285, 74815, 104741, 182455, 461551, 523705, 2307755, 3230857, 6000163, 16154285, 30000815, 42001141, 210005705]

約数ペア:

[(1, 210005705), (5, 42001141), (7, 30000815), (13, 16154285), (35, 6000163), (65, 3230857), (91, 2307755), (401, 523705), (455, 461551), (1151, 182455), (2005, 104741), (2807, 74815), (5213, 40285), (5755, 36491), (8057, 26065), (14035, 14963)]