2021990205

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1\times {\mathrm{2467}}^1$

素因数の和:3117

約数の個数: 32

約数和(自身を含む): 3274581888

約数和(自身を除く): 1252591683

約数列:

[1, 3, 5, 15, 101, 303, 505, 541, 1515, 1623, 2467, 2705, 7401, 8115, 12335, 37005, 54641, 163923, 249167, 273205, 747501, 819615, 1245835, 1334647, 3737505, 4003941, 6673235, 20019705, 134799347, 404398041, 673996735, 2021990205]

約数ペア:

[(1, 2021990205), (3, 673996735), (5, 404398041), (15, 134799347), (101, 20019705), (303, 6673235), (505, 4003941), (541, 3737505), (1515, 1334647), (1623, 1245835), (2467, 819615), (2705, 747501), (7401, 273205), (8115, 249167), (12335, 163923), (37005, 54641)]