28704705

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18947}}^1$

素因数の和:19056

約数の個数: 16

約数和(自身を含む): 46384704

約数和(自身を除く): 17679999

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 18947, 56841, 94735, 284205, 1913647, 5740941, 9568235, 28704705]

約数ペア:

[(1, 28704705), (3, 9568235), (5, 5740941), (15, 1913647), (101, 284205), (303, 94735), (505, 56841), (1515, 18947)]