1320735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{521}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 2292624

約数和(自身を除く): 971889

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 521, 845, 1563, 2535, 2605, 6773, 7815, 20319, 33865, 88049, 101595, 264147, 440245, 1320735]

約数ペア:

[(1, 1320735), (3, 440245), (5, 264147), (13, 101595), (15, 88049), (39, 33865), (65, 20319), (169, 7815), (195, 6773), (507, 2605), (521, 2535), (845, 1563)]