3319925

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 4797312

約数和(自身を除く): 1477387

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 311, 427, 1525, 1555, 2135, 2177, 7775, 10675, 10885, 18971, 54425, 94855, 132797, 474275, 663985, 3319925]

約数ペア:

[(1, 3319925), (5, 663985), (7, 474275), (25, 132797), (35, 94855), (61, 54425), (175, 18971), (305, 10885), (311, 10675), (427, 7775), (1525, 2177), (1555, 2135)]