3990175

素因数分解:

$5^2\times 7^1\times {\mathrm{151}}^2$

素因数の和:319

約数の個数: 18

約数和(自身を含む): 5692344

約数和(自身を除く): 1702169

約数列:

[1, 5, 7, 25, 35, 151, 175, 755, 1057, 3775, 5285, 22801, 26425, 114005, 159607, 570025, 798035, 3990175]

約数ペア:

[(1, 3990175), (5, 798035), (7, 570025), (25, 159607), (35, 114005), (151, 26425), (175, 22801), (755, 5285), (1057, 3775)]