28505025

素因数分解:

$3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{839}}^1$

素因数の和:1006

約数の個数: 36

約数和(自身を含む): 51455040

約数和(自身を除く): 22950015

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 151, 225, 453, 755, 839, 1359, 2265, 2517, 3775, 4195, 6795, 7551, 11325, 12585, 20975, 33975, 37755, 62925, 126689, 188775, 380067, 633445, 1140201, 1900335, 3167225, 5701005, 9501675, 28505025]

約数ペア:

[(1, 28505025), (3, 9501675), (5, 5701005), (9, 3167225), (15, 1900335), (25, 1140201), (45, 633445), (75, 380067), (151, 188775), (225, 126689), (453, 62925), (755, 37755), (839, 33975), (1359, 20975), (2265, 12585), (2517, 11325), (3775, 7551), (4195, 6795)]