31378845

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{947}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 51351264

約数和(自身を除く): 19972419

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 947, 2209, 2841, 4735, 6627, 11045, 14205, 33135, 44509, 133527, 222545, 667635, 2091923, 6275769, 10459615, 31378845]

約数ペア:

[(1, 31378845), (3, 10459615), (5, 6275769), (15, 2091923), (47, 667635), (141, 222545), (235, 133527), (705, 44509), (947, 33135), (2209, 14205), (2841, 11045), (4735, 6627)]