157941

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 274560

約数和(自身を除く): 116619

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 109, 161, 207, 327, 483, 763, 981, 1449, 2289, 2507, 6867, 7521, 17549, 22563, 52647, 157941]

約数ペア:

[(1, 157941), (3, 52647), (7, 22563), (9, 17549), (21, 7521), (23, 6867), (63, 2507), (69, 2289), (109, 1449), (161, 981), (207, 763), (327, 483)]