28704783

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 38900736

約数和(自身を除く): 10195953

約数列:

[1, 3, 107, 223, 321, 401, 669, 1203, 23861, 42907, 71583, 89423, 128721, 268269, 9568261, 28704783]

約数ペア:

[(1, 28704783), (3, 9568261), (107, 268269), (223, 128721), (321, 89423), (401, 71583), (669, 42907), (1203, 23861)]