90571971

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{253703}}^1$

素因数の和:253730

約数の個数: 16

約数和(自身を含む): 146133504

約数和(自身を除く): 55561533

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 253703, 761109, 1775921, 4312951, 5327763, 12938853, 30190657, 90571971]

約数ペア:

[(1, 90571971), (3, 30190657), (7, 12938853), (17, 5327763), (21, 4312951), (51, 1775921), (119, 761109), (357, 253703)]