25591815

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1163}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 45815040

約数和(自身を除く): 20223225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1163, 1467, 2445, 3489, 4401, 5815, 7335, 10467, 17445, 22005, 31401, 52335, 157005, 189569, 568707, 947845, 1706121, 2843535, 5118363, 8530605, 25591815]

約数ペア:

[(1, 25591815), (3, 8530605), (5, 5118363), (9, 2843535), (15, 1706121), (27, 947845), (45, 568707), (135, 189569), (163, 157005), (489, 52335), (815, 31401), (1163, 22005), (1467, 17445), (2445, 10467), (3489, 7335), (4401, 5815)]