2171631

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 3939840

約数和(自身を除く): 1768209

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 79, 119, 147, 187, 231, 237, 357, 539, 553, 561, 833, 869, 1309, 1343, 1617, 1659, 2499, 2607, 3871, 3927, 4029, 6083, 9163, 9401, 11613, 14773, 18249, 27489, 28203, 42581, 44319, 65807, 103411, 127743, 197421, 310233, 723877, 2171631]

約数ペア:

[(1, 2171631), (3, 723877), (7, 310233), (11, 197421), (17, 127743), (21, 103411), (33, 65807), (49, 44319), (51, 42581), (77, 28203), (79, 27489), (119, 18249), (147, 14773), (187, 11613), (231, 9401), (237, 9163), (357, 6083), (539, 4029), (553, 3927), (561, 3871), (833, 2607), (869, 2499), (1309, 1659), (1343, 1617)]