15205725

素因数分解:

$3^5\times 5^2\times {\mathrm{2503}}^1$

素因数の和:2528

約数の個数: 36

約数和(自身を含む): 28255136

約数和(自身を除く): 13049411

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 2503, 6075, 7509, 12515, 22527, 37545, 62575, 67581, 112635, 187725, 202743, 337905, 563175, 608229, 1013715, 1689525, 3041145, 5068575, 15205725]

約数ペア:

[(1, 15205725), (3, 5068575), (5, 3041145), (9, 1689525), (15, 1013715), (25, 608229), (27, 563175), (45, 337905), (75, 202743), (81, 187725), (135, 112635), (225, 67581), (243, 62575), (405, 37545), (675, 22527), (1215, 12515), (2025, 7509), (2503, 6075)]