65147625

素因数分解:

$3^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 122304000

約数和(自身を除く): 57156375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 97, 125, 135, 199, 225, 291, 375, 485, 597, 675, 873, 995, 1125, 1455, 1791, 2425, 2619, 2985, 3375, 4365, 4975, 5373, 7275, 8955, 12125, 13095, 14925, 19303, 21825, 24875, 26865, 36375, 44775, 57909, 65475, 74625, 96515, 109125, 134325, 173727, 223875, 289545, 327375, 482575, 521181, 671625, 868635, 1447725, 2412875, 2605905, 4343175, 7238625, 13029525, 21715875, 65147625]

約数ペア:

[(1, 65147625), (3, 21715875), (5, 13029525), (9, 7238625), (15, 4343175), (25, 2605905), (27, 2412875), (45, 1447725), (75, 868635), (97, 671625), (125, 521181), (135, 482575), (199, 327375), (225, 289545), (291, 223875), (375, 173727), (485, 134325), (597, 109125), (675, 96515), (873, 74625), (995, 65475), (1125, 57909), (1455, 44775), (1791, 36375), (2425, 26865), (2619, 24875), (2985, 21825), (3375, 19303), (4365, 14925), (4975, 13095), (5373, 12125), (7275, 8955)]