78640635

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 129272832

約数和(自身を除く): 50632197

約数列:

[1, 3, 5, 15, 47, 141, 235, 331, 337, 705, 993, 1011, 1655, 1685, 4965, 5055, 15557, 15839, 46671, 47517, 77785, 79195, 111547, 233355, 237585, 334641, 557735, 1673205, 5242709, 15728127, 26213545, 78640635]

約数ペア:

[(1, 78640635), (3, 26213545), (5, 15728127), (15, 5242709), (47, 1673205), (141, 557735), (235, 334641), (331, 237585), (337, 233355), (705, 111547), (993, 79195), (1011, 77785), (1655, 47517), (1685, 46671), (4965, 15839), (5055, 15557)]