4247481

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{907}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 6508544

約数和(自身を除く): 2261063

約数列:

[1, 3, 7, 21, 223, 669, 907, 1561, 2721, 4683, 6349, 19047, 202261, 606783, 1415827, 4247481]

約数ペア:

[(1, 4247481), (3, 1415827), (7, 606783), (21, 202261), (223, 19047), (669, 6349), (907, 4683), (1561, 2721)]