1397205

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 2466360

約数和(自身を除く): 1069155

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 509, 549, 915, 1527, 2545, 2745, 4581, 7635, 22905, 31049, 93147, 155245, 279441, 465735, 1397205]

約数ペア:

[(1, 1397205), (3, 465735), (5, 279441), (9, 155245), (15, 93147), (45, 31049), (61, 22905), (183, 7635), (305, 4581), (509, 2745), (549, 2545), (915, 1527)]