260490069

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67783}}^1$

素因数の和:67857

約数の個数: 24

約数和(自身を含む): 437071232

約数和(自身を除く): 176581163

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 67783, 203349, 474481, 610047, 1423443, 4134763, 4270329, 12404289, 28943341, 37212867, 86830023, 260490069]

約数ペア:

[(1, 260490069), (3, 86830023), (7, 37212867), (9, 28943341), (21, 12404289), (61, 4270329), (63, 4134763), (183, 1423443), (427, 610047), (549, 474481), (1281, 203349), (3843, 67783)]