2189415

素因数分解:

$3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 3523968

約数和(自身を除く): 1334553

約数列:

[1, 3, 5, 15, 227, 643, 681, 1135, 1929, 3215, 3405, 9645, 145961, 437883, 729805, 2189415]

約数ペア:

[(1, 2189415), (3, 729805), (5, 437883), (15, 145961), (227, 9645), (643, 3405), (681, 3215), (1135, 1929)]