25047321

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 36541440

約数和(自身を除く): 11494119

約数列:

[1, 3, 13, 39, 127, 169, 381, 389, 507, 1167, 1651, 4953, 5057, 15171, 21463, 49403, 64389, 65741, 148209, 197223, 642239, 1926717, 8349107, 25047321]

約数ペア:

[(1, 25047321), (3, 8349107), (13, 1926717), (39, 642239), (127, 197223), (169, 148209), (381, 65741), (389, 64389), (507, 49403), (1167, 21463), (1651, 15171), (4953, 5057)]