64872057

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{6173}}^1$

素因数の和:6320

約数の個数: 16

約数和(自身を含む): 90091008

約数和(自身を除く): 25218951

約数列:

[1, 3, 31, 93, 113, 339, 3503, 6173, 10509, 18519, 191363, 574089, 697549, 2092647, 21624019, 64872057]

約数ペア:

[(1, 64872057), (3, 21624019), (31, 2092647), (93, 697549), (113, 574089), (339, 191363), (3503, 18519), (6173, 10509)]