138710025

素因数分解:

$3^2\times 5^2\times {\mathrm{616489}}^1$

素因数の和:616505

約数の個数: 18

約数和(自身を含む): 248445470

約数和(自身を除く): 109735445

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 616489, 1849467, 3082445, 5548401, 9247335, 15412225, 27742005, 46236675, 138710025]

約数ペア:

[(1, 138710025), (3, 46236675), (5, 27742005), (9, 15412225), (15, 9247335), (25, 5548401), (45, 3082445), (75, 1849467), (225, 616489)]