389905245

素因数分解:

$3^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3037}}^1$

素因数の和:3371

約数の個数: 40

約数和(自身を含む): 701376984

約数和(自身を除く): 311471739

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 317, 405, 951, 1585, 2853, 3037, 4755, 8559, 9111, 14265, 15185, 25677, 27333, 42795, 45555, 81999, 128385, 136665, 245997, 409995, 962729, 1229985, 2888187, 4813645, 8664561, 14440935, 25993683, 43322805, 77981049, 129968415, 389905245]

約数ペア:

[(1, 389905245), (3, 129968415), (5, 77981049), (9, 43322805), (15, 25993683), (27, 14440935), (45, 8664561), (81, 4813645), (135, 2888187), (317, 1229985), (405, 962729), (951, 409995), (1585, 245997), (2853, 136665), (3037, 128385), (4755, 81999), (8559, 45555), (9111, 42795), (14265, 27333), (15185, 25677)]