130621815

素因数分解:

$3^4\times 5^1\times {\mathrm{322523}}^1$

素因数の和:322540

約数の個数: 20

約数和(自身を含む): 234152424

約数和(自身を除く): 103530609

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 322523, 967569, 1612615, 2902707, 4837845, 8708121, 14513535, 26124363, 43540605, 130621815]

約数ペア:

[(1, 130621815), (3, 43540605), (5, 26124363), (9, 14513535), (15, 8708121), (27, 4837845), (45, 2902707), (81, 1612615), (135, 967569), (405, 322523)]