16531921

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 19514880

約数和(自身を除く): 2982959

約数列:

[1, 7, 47, 109, 329, 461, 763, 3227, 5123, 21667, 35861, 50249, 151669, 351743, 2361703, 16531921]

約数ペア:

[(1, 16531921), (7, 2361703), (47, 351743), (109, 151669), (329, 50249), (461, 35861), (763, 21667), (3227, 5123)]