681915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 1185840

約数和(自身を除く): 503925

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 269, 507, 807, 845, 1345, 2535, 3497, 4035, 10491, 17485, 45461, 52455, 136383, 227305, 681915]

約数ペア:

[(1, 681915), (3, 227305), (5, 136383), (13, 52455), (15, 45461), (39, 17485), (65, 10491), (169, 4035), (195, 3497), (269, 2535), (507, 1345), (807, 845)]