397995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 693936

約数和(自身を除く): 295941

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 169, 195, 471, 507, 785, 845, 2041, 2355, 2535, 6123, 10205, 26533, 30615, 79599, 132665, 397995]

約数ペア:

[(1, 397995), (3, 132665), (5, 79599), (13, 30615), (15, 26533), (39, 10205), (65, 6123), (157, 2535), (169, 2355), (195, 2041), (471, 845), (507, 785)]