2159865

素因数分解:

$3^4\times 5^1\times {\mathrm{5333}}^1$

素因数の和:5350

約数の個数: 20

約数和(自身を含む): 3872484

約数和(自身を除く): 1712619

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5333, 15999, 26665, 47997, 79995, 143991, 239985, 431973, 719955, 2159865]

約数ペア:

[(1, 2159865), (3, 719955), (5, 431973), (9, 239985), (15, 143991), (27, 79995), (45, 47997), (81, 26665), (135, 15999), (405, 5333)]