123825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 222208

約数和(自身を除く): 98383

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 127, 195, 325, 381, 635, 975, 1651, 1905, 3175, 4953, 8255, 9525, 24765, 41275, 123825]

約数ペア:

[(1, 123825), (3, 41275), (5, 24765), (13, 9525), (15, 8255), (25, 4953), (39, 3175), (65, 1905), (75, 1651), (127, 975), (195, 635), (325, 381)]