289585971

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{947}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 426361104

約数和(自身を除く): 136775133

約数列:

[1, 3, 9, 61, 183, 549, 557, 947, 1671, 2841, 5013, 8523, 33977, 57767, 101931, 173301, 305793, 519903, 527479, 1582437, 4747311, 32176219, 96528657, 289585971]

約数ペア:

[(1, 289585971), (3, 96528657), (9, 32176219), (61, 4747311), (183, 1582437), (549, 527479), (557, 519903), (947, 305793), (1671, 173301), (2841, 101931), (5013, 57767), (8523, 33977)]