71320245

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{317}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 117044352

約数和(自身を除く): 45724107

約数列:

[1, 3, 5, 15, 53, 159, 265, 283, 317, 795, 849, 951, 1415, 1585, 4245, 4755, 14999, 16801, 44997, 50403, 74995, 84005, 89711, 224985, 252015, 269133, 448555, 1345665, 4754683, 14264049, 23773415, 71320245]

約数ペア:

[(1, 71320245), (3, 23773415), (5, 14264049), (15, 4754683), (53, 1345665), (159, 448555), (265, 269133), (283, 252015), (317, 224985), (795, 89711), (849, 84005), (951, 74995), (1415, 50403), (1585, 44997), (4245, 16801), (4755, 14999)]