138712725

素因数分解:

$3^2\times 5^2\times {\mathrm{616501}}^1$

素因数の和:616517

約数の個数: 18

約数和(自身を含む): 248450306

約数和(自身を除く): 109737581

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 616501, 1849503, 3082505, 5548509, 9247515, 15412525, 27742545, 46237575, 138712725]

約数ペア:

[(1, 138712725), (3, 46237575), (5, 27742545), (9, 15412525), (15, 9247515), (25, 5548509), (45, 3082505), (75, 1849503), (225, 616501)]