57181815

素因数分解:

$3^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{907}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 101986560

約数和(自身を除く): 44804745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 467, 907, 1401, 2335, 2721, 4203, 4535, 7005, 8163, 12609, 13605, 21015, 24489, 40815, 63045, 122445, 423569, 1270707, 2117845, 3812121, 6353535, 11436363, 19060605, 57181815]

約数ペア:

[(1, 57181815), (3, 19060605), (5, 11436363), (9, 6353535), (15, 3812121), (27, 2117845), (45, 1270707), (135, 423569), (467, 122445), (907, 63045), (1401, 40815), (2335, 24489), (2721, 21015), (4203, 13605), (4535, 12609), (7005, 8163)]