71381619

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{569}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 105636960

約数和(自身を除く): 34255341

約数列:

[1, 3, 9, 53, 159, 263, 477, 569, 789, 1707, 2367, 5121, 13939, 30157, 41817, 90471, 125451, 149647, 271413, 448941, 1346823, 7931291, 23793873, 71381619]

約数ペア:

[(1, 71381619), (3, 23793873), (9, 7931291), (53, 1346823), (159, 448941), (263, 271413), (477, 149647), (569, 125451), (789, 90471), (1707, 41817), (2367, 30157), (5121, 13939)]