81645345

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38603}}^1$

素因数の和:38661

約数の個数: 24

約数和(自身を含む): 144533376

約数和(自身を除く): 62888031

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 38603, 115809, 193015, 347427, 579045, 1737135, 1814341, 5443023, 9071705, 16329069, 27215115, 81645345]

約数ペア:

[(1, 81645345), (3, 27215115), (5, 16329069), (9, 9071705), (15, 5443023), (45, 1814341), (47, 1737135), (141, 579045), (235, 347427), (423, 193015), (705, 115809), (2115, 38603)]