81085875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{16633}}^1$

素因数の和:16664

約数の個数: 32

約数和(自身を含む): 145314624

約数和(自身を除く): 64228749

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 16633, 49899, 83165, 216229, 249495, 415825, 648687, 1081145, 1247475, 2079125, 3243435, 5405725, 6237375, 16217175, 27028625, 81085875]

約数ペア:

[(1, 81085875), (3, 27028625), (5, 16217175), (13, 6237375), (15, 5405725), (25, 3243435), (39, 2079125), (65, 1247475), (75, 1081145), (125, 648687), (195, 415825), (325, 249495), (375, 216229), (975, 83165), (1625, 49899), (4875, 16633)]