64569375

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:922

約数の個数: 60

約数和(自身を含む): 125653528

約数和(自身を除く): 61084153

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 625, 883, 975, 1125, 1625, 1875, 2649, 2925, 4415, 4875, 5625, 7947, 8125, 11479, 13245, 14625, 22075, 24375, 34437, 39735, 57395, 66225, 73125, 103311, 110375, 172185, 198675, 286975, 331125, 516555, 551875, 860925, 993375, 1434875, 1655625, 2582775, 4304625, 4966875, 7174375, 12913875, 21523125, 64569375]

約数ペア:

[(1, 64569375), (3, 21523125), (5, 12913875), (9, 7174375), (13, 4966875), (15, 4304625), (25, 2582775), (39, 1655625), (45, 1434875), (65, 993375), (75, 860925), (117, 551875), (125, 516555), (195, 331125), (225, 286975), (325, 198675), (375, 172185), (585, 110375), (625, 103311), (883, 73125), (975, 66225), (1125, 57395), (1625, 39735), (1875, 34437), (2649, 24375), (2925, 22075), (4415, 14625), (4875, 13245), (5625, 11479), (7947, 8125)]