156891651

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{601}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 247812096

約数和(自身を除く): 90920445

約数列:

[1, 3, 7, 21, 31, 93, 217, 401, 601, 651, 1203, 1803, 2807, 4207, 8421, 12431, 12621, 18631, 37293, 55893, 87017, 130417, 241001, 261051, 391251, 723003, 1687007, 5061021, 7471031, 22413093, 52297217, 156891651]

約数ペア:

[(1, 156891651), (3, 52297217), (7, 22413093), (21, 7471031), (31, 5061021), (93, 1687007), (217, 723003), (401, 391251), (601, 261051), (651, 241001), (1203, 130417), (1803, 87017), (2807, 55893), (4207, 37293), (8421, 18631), (12431, 12621)]