25181361

素因数分解:

$3^5\times {\mathrm{173}}^1\times {\mathrm{599}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 38001600

約数和(自身を除く): 12820239

約数列:

[1, 3, 9, 27, 81, 173, 243, 519, 599, 1557, 1797, 4671, 5391, 14013, 16173, 42039, 48519, 103627, 145557, 310881, 932643, 2797929, 8393787, 25181361]

約数ペア:

[(1, 25181361), (3, 8393787), (9, 2797929), (27, 932643), (81, 310881), (173, 145557), (243, 103627), (519, 48519), (599, 42039), (1557, 16173), (1797, 14013), (4671, 5391)]