321945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 562176

約数和(自身を除く): 240231

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 169, 195, 381, 507, 635, 845, 1651, 1905, 2535, 4953, 8255, 21463, 24765, 64389, 107315, 321945]

約数ペア:

[(1, 321945), (3, 107315), (5, 64389), (13, 24765), (15, 21463), (39, 8255), (65, 4953), (127, 2535), (169, 1905), (195, 1651), (381, 845), (507, 635)]