245940981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{573289}}^1$

素因数の和:573316

約数の個数: 16

約数和(自身を含む): 385250880

約数和(自身を除く): 139309899

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 573289, 1719867, 6306179, 7452757, 18918537, 22358271, 81980327, 245940981]

約数ペア:

[(1, 245940981), (3, 81980327), (11, 22358271), (13, 18918537), (33, 7452757), (39, 6306179), (143, 1719867), (429, 573289)]