72898137

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 40

約数和(自身を含む): 118552896

約数和(自身を除く): 45654759

約数列:

[1, 3, 9, 13, 27, 39, 81, 107, 117, 321, 351, 647, 963, 1053, 1391, 1941, 2889, 4173, 5823, 8411, 8667, 12519, 17469, 25233, 37557, 52407, 69229, 75699, 112671, 207687, 227097, 623061, 681291, 899977, 1869183, 2699931, 5607549, 8099793, 24299379, 72898137]

約数ペア:

[(1, 72898137), (3, 24299379), (9, 8099793), (13, 5607549), (27, 2699931), (39, 1869183), (81, 899977), (107, 681291), (117, 623061), (321, 227097), (351, 207687), (647, 112671), (963, 75699), (1053, 69229), (1391, 52407), (1941, 37557), (2889, 25233), (4173, 17469), (5823, 12519), (8411, 8667)]