279969501

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{4231}}^1$

素因数の和:4401

約数の個数: 32

約数和(自身を含む): 448524288

約数和(自身を除く): 168554787

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 411, 483, 959, 2877, 3151, 4231, 9453, 12693, 22057, 29617, 66171, 88851, 97313, 291939, 579647, 681191, 1738941, 2043573, 4057529, 12172587, 13331881, 39995643, 93323167, 279969501]

約数ペア:

[(1, 279969501), (3, 93323167), (7, 39995643), (21, 13331881), (23, 12172587), (69, 4057529), (137, 2043573), (161, 1738941), (411, 681191), (483, 579647), (959, 291939), (2877, 97313), (3151, 88851), (4231, 66171), (9453, 29617), (12693, 22057)]