15993225

素因数分解:

$3^2\times 5^2\times {\mathrm{71081}}^1$

素因数の和:71097

約数の個数: 18

約数和(自身を含む): 28646046

約数和(自身を除く): 12652821

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 71081, 213243, 355405, 639729, 1066215, 1777025, 3198645, 5331075, 15993225]

約数ペア:

[(1, 15993225), (3, 5331075), (5, 3198645), (9, 1777025), (15, 1066215), (25, 639729), (45, 355405), (75, 213243), (225, 71081)]