405833985

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 720555264

約数和(自身を除く): 314721279

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 263, 265, 477, 647, 789, 795, 1315, 1941, 2367, 2385, 3235, 3945, 5823, 9705, 11835, 13939, 29115, 34291, 41817, 69695, 102873, 125451, 170161, 171455, 209085, 308619, 510483, 514365, 627255, 850805, 1531449, 1543095, 2552415, 7657245, 9018533, 27055599, 45092665, 81166797, 135277995, 405833985]

約数ペア:

[(1, 405833985), (3, 135277995), (5, 81166797), (9, 45092665), (15, 27055599), (45, 9018533), (53, 7657245), (159, 2552415), (263, 1543095), (265, 1531449), (477, 850805), (647, 627255), (789, 514365), (795, 510483), (1315, 308619), (1941, 209085), (2367, 171455), (2385, 170161), (3235, 125451), (3945, 102873), (5823, 69695), (9705, 41817), (11835, 34291), (13939, 29115)]