1639231737

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{81299}}^1$

素因数の和:81373

約数の個数: 32

約数和(自身を含む): 2622412800

約数和(自身を除く): 983181063

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 1551, 1833, 6721, 20163, 81299, 243897, 894289, 1056887, 2682867, 3170661, 3821053, 11463159, 11625757, 34877271, 42031583, 49673689, 126094749, 149021067, 546410579, 1639231737]

約数ペア:

[(1, 1639231737), (3, 546410579), (11, 149021067), (13, 126094749), (33, 49673689), (39, 42031583), (47, 34877271), (141, 11625757), (143, 11463159), (429, 3821053), (517, 3170661), (611, 2682867), (1551, 1056887), (1833, 894289), (6721, 243897), (20163, 81299)]