31123989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9173}}^1$

素因数の和:9221

約数の個数: 24

約数和(自身を含む): 50090040

約数和(自身を除く): 18966051

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 9173, 27519, 82557, 119249, 266017, 357747, 798051, 1073241, 2394153, 3458221, 10374663, 31123989]

約数ペア:

[(1, 31123989), (3, 10374663), (9, 3458221), (13, 2394153), (29, 1073241), (39, 798051), (87, 357747), (117, 266017), (261, 119249), (377, 82557), (1131, 27519), (3393, 9173)]