81924225

素因数分解:

$3^1\times 5^2\times {\mathrm{571}}^1\times {\mathrm{1913}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 135756192

約数和(自身を除く): 53831967

約数列:

[1, 3, 5, 15, 25, 75, 571, 1713, 1913, 2855, 5739, 8565, 9565, 14275, 28695, 42825, 47825, 143475, 1092323, 3276969, 5461615, 16384845, 27308075, 81924225]

約数ペア:

[(1, 81924225), (3, 27308075), (5, 16384845), (15, 5461615), (25, 3276969), (75, 1092323), (571, 143475), (1713, 47825), (1913, 42825), (2855, 28695), (5739, 14275), (8565, 9565)]