17920413

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 30931200

約数和(自身を除く): 13010787

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 1789, 3339, 5367, 10017, 12523, 16101, 37569, 48303, 94817, 112707, 284451, 338121, 663719, 853353, 1991157, 2560059, 5973471, 17920413]

約数ペア:

[(1, 17920413), (3, 5973471), (7, 2560059), (9, 1991157), (21, 853353), (27, 663719), (53, 338121), (63, 284451), (159, 112707), (189, 94817), (371, 48303), (477, 37569), (1113, 16101), (1431, 12523), (1789, 10017), (3339, 5367)]