1728495

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 3043872

約数和(自身を除く): 1315377

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 541, 639, 1065, 1623, 2705, 3195, 4869, 8115, 24345, 38411, 115233, 192055, 345699, 576165, 1728495]

約数ペア:

[(1, 1728495), (3, 576165), (5, 345699), (9, 192055), (15, 115233), (45, 38411), (71, 24345), (213, 8115), (355, 4869), (541, 3195), (639, 2705), (1065, 1623)]