128570481

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1487}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 200403840

約数和(自身を除く): 71833359

約数列:

[1, 3, 9, 13, 39, 117, 739, 1487, 2217, 4461, 6651, 9607, 13383, 19331, 28821, 57993, 86463, 173979, 1098893, 3296679, 9890037, 14285609, 42856827, 128570481]

約数ペア:

[(1, 128570481), (3, 42856827), (9, 14285609), (13, 9890037), (39, 3296679), (117, 1098893), (739, 173979), (1487, 86463), (2217, 57993), (4461, 28821), (6651, 19331), (9607, 13383)]