67716987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^2$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 99619632

約数和(自身を除く): 31902645

約数列:

[1, 3, 13, 39, 53, 159, 181, 543, 689, 2067, 2353, 7059, 9593, 28779, 32761, 98283, 124709, 374127, 425893, 1277679, 1736333, 5208999, 22572329, 67716987]

約数ペア:

[(1, 67716987), (3, 22572329), (13, 5208999), (39, 1736333), (53, 1277679), (159, 425893), (181, 374127), (543, 124709), (689, 98283), (2067, 32761), (2353, 28779), (7059, 9593)]