18025785

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1009}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 31354440

約数和(自身を除く): 13328655

約数列:

[1, 3, 5, 9, 15, 45, 397, 1009, 1191, 1985, 3027, 3573, 5045, 5955, 9081, 15135, 17865, 45405, 400573, 1201719, 2002865, 3605157, 6008595, 18025785]

約数ペア:

[(1, 18025785), (3, 6008595), (5, 3605157), (9, 2002865), (15, 1201719), (45, 400573), (397, 45405), (1009, 17865), (1191, 15135), (1985, 9081), (3027, 5955), (3573, 5045)]