256035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 447984

約数和(自身を除く): 191949

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 169, 195, 303, 505, 507, 845, 1313, 1515, 2535, 3939, 6565, 17069, 19695, 51207, 85345, 256035]

約数ペア:

[(1, 256035), (3, 85345), (5, 51207), (13, 19695), (15, 17069), (39, 6565), (65, 3939), (101, 2535), (169, 1515), (195, 1313), (303, 845), (505, 507)]