81552375

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1113

約数の個数: 48

約数和(自身を含む): 149228352

約数和(自身を除く): 67675977

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 355, 375, 639, 1021, 1065, 1125, 1775, 3063, 3195, 5105, 5325, 8875, 9189, 15315, 15975, 25525, 26625, 45945, 72491, 76575, 79875, 127625, 217473, 229725, 362455, 382875, 652419, 1087365, 1148625, 1812275, 3262095, 5436825, 9061375, 16310475, 27184125, 81552375]

約数ペア:

[(1, 81552375), (3, 27184125), (5, 16310475), (9, 9061375), (15, 5436825), (25, 3262095), (45, 1812275), (71, 1148625), (75, 1087365), (125, 652419), (213, 382875), (225, 362455), (355, 229725), (375, 217473), (639, 127625), (1021, 79875), (1065, 76575), (1125, 72491), (1775, 45945), (3063, 26625), (3195, 25525), (5105, 15975), (5325, 15315), (8875, 9189)]