81505125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5573}}^1$

素因数の和:5607

約数の個数: 48

約数和(自身を含む): 158257008

約数和(自身を除く): 76751883

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1625, 2925, 4875, 5573, 14625, 16719, 27865, 50157, 72449, 83595, 139325, 217347, 250785, 362245, 417975, 652041, 696625, 1086735, 1253925, 1811225, 2089875, 3260205, 5433675, 6269625, 9056125, 16301025, 27168375, 81505125]

約数ペア:

[(1, 81505125), (3, 27168375), (5, 16301025), (9, 9056125), (13, 6269625), (15, 5433675), (25, 3260205), (39, 2089875), (45, 1811225), (65, 1253925), (75, 1086735), (117, 696625), (125, 652041), (195, 417975), (225, 362245), (325, 250785), (375, 217347), (585, 139325), (975, 83595), (1125, 72449), (1625, 50157), (2925, 27865), (4875, 16719), (5573, 14625)]