1649061

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 18

約数和(自身を含む): 2463890

約数和(自身を除く): 814829

約数列:

[1, 3, 9, 41, 109, 123, 327, 369, 981, 1681, 4469, 5043, 13407, 15129, 40221, 183229, 549687, 1649061]

約数ペア:

[(1, 1649061), (3, 549687), (9, 183229), (41, 40221), (109, 15129), (123, 13407), (327, 5043), (369, 4469), (981, 1681)]