81413875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 108126720

約数和(自身を除く): 26712845

約数列:

[1, 5, 25, 29, 37, 125, 145, 185, 607, 725, 925, 1073, 3035, 3625, 4625, 5365, 15175, 17603, 22459, 26825, 75875, 88015, 112295, 134125, 440075, 561475, 651311, 2200375, 2807375, 3256555, 16282775, 81413875]

約数ペア:

[(1, 81413875), (5, 16282775), (25, 3256555), (29, 2807375), (37, 2200375), (125, 651311), (145, 561475), (185, 440075), (607, 134125), (725, 112295), (925, 88015), (1073, 75875), (3035, 26825), (3625, 22459), (4625, 17603), (5365, 15175)]