2564865

素因数分解:

$3^5\times 5^1\times {\mathrm{2111}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 4612608

約数和(自身を除く): 2047743

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 2111, 6333, 10555, 18999, 31665, 56997, 94995, 170991, 284985, 512973, 854955, 2564865]

約数ペア:

[(1, 2564865), (3, 854955), (5, 512973), (9, 284985), (15, 170991), (27, 94995), (45, 56997), (81, 31665), (135, 18999), (243, 10555), (405, 6333), (1215, 2111)]