78992571

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 123936768

約数和(自身を除く): 44944197

約数列:

[1, 3, 7, 21, 47, 141, 163, 329, 489, 491, 987, 1141, 1473, 3423, 3437, 7661, 10311, 22983, 23077, 53627, 69231, 80033, 160881, 161539, 240099, 484617, 560231, 1680693, 3761551, 11284653, 26330857, 78992571]

約数ペア:

[(1, 78992571), (3, 26330857), (7, 11284653), (21, 3761551), (47, 1680693), (141, 560231), (163, 484617), (329, 240099), (489, 161539), (491, 160881), (987, 80033), (1141, 69231), (1473, 53627), (3423, 23077), (3437, 22983), (7661, 10311)]