379995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 787968

約数和(自身を除く): 407973

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 47, 49, 55, 77, 105, 141, 147, 165, 231, 235, 245, 329, 385, 517, 539, 705, 735, 987, 1155, 1551, 1617, 1645, 2303, 2585, 2695, 3619, 4935, 6909, 7755, 8085, 10857, 11515, 18095, 25333, 34545, 54285, 75999, 126665, 379995]

約数ペア:

[(1, 379995), (3, 126665), (5, 75999), (7, 54285), (11, 34545), (15, 25333), (21, 18095), (33, 11515), (35, 10857), (47, 8085), (49, 7755), (55, 6909), (77, 4935), (105, 3619), (141, 2695), (147, 2585), (165, 2303), (231, 1645), (235, 1617), (245, 1551), (329, 1155), (385, 987), (517, 735), (539, 705)]