1906375

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:267

約数の個数: 16

約数和(自身を含む): 2418624

約数和(自身を除く): 512249

約数列:

[1, 5, 25, 101, 125, 151, 505, 755, 2525, 3775, 12625, 15251, 18875, 76255, 381275, 1906375]

約数ペア:

[(1, 1906375), (5, 381275), (25, 76255), (101, 18875), (125, 15251), (151, 12625), (505, 3775), (755, 2525)]