64627875

素因数分解:

$3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 80

約数和(自身を含む): 130017888

約数和(自身を除く): 65390013

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 325, 351, 375, 405, 491, 585, 675, 975, 1053, 1125, 1473, 1625, 1755, 2025, 2455, 2925, 3375, 4419, 4875, 5265, 6383, 7365, 8775, 10125, 12275, 13257, 14625, 19149, 22095, 26325, 31915, 36825, 39771, 43875, 57447, 61375, 66285, 95745, 110475, 131625, 159575, 172341, 184125, 198855, 287235, 331425, 478725, 517023, 552375, 797875, 861705, 994275, 1436175, 1657125, 2393625, 2585115, 4308525, 4971375, 7180875, 12925575, 21542625, 64627875]

約数ペア:

[(1, 64627875), (3, 21542625), (5, 12925575), (9, 7180875), (13, 4971375), (15, 4308525), (25, 2585115), (27, 2393625), (39, 1657125), (45, 1436175), (65, 994275), (75, 861705), (81, 797875), (117, 552375), (125, 517023), (135, 478725), (195, 331425), (225, 287235), (325, 198855), (351, 184125), (375, 172341), (405, 159575), (491, 131625), (585, 110475), (675, 95745), (975, 66285), (1053, 61375), (1125, 57447), (1473, 43875), (1625, 39771), (1755, 36825), (2025, 31915), (2455, 26325), (2925, 22095), (3375, 19149), (4419, 14625), (4875, 13257), (5265, 12275), (6383, 10125), (7365, 8775)]