28472325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 54270336

約数和(自身を除く): 25798011

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 193, 281, 525, 579, 843, 965, 1351, 1405, 1967, 2895, 4053, 4215, 4825, 5901, 6755, 7025, 9835, 14475, 20265, 21075, 29505, 33775, 49175, 54233, 101325, 147525, 162699, 271165, 379631, 813495, 1138893, 1355825, 1898155, 4067475, 5694465, 9490775, 28472325]

約数ペア:

[(1, 28472325), (3, 9490775), (5, 5694465), (7, 4067475), (15, 1898155), (21, 1355825), (25, 1138893), (35, 813495), (75, 379631), (105, 271165), (175, 162699), (193, 147525), (281, 101325), (525, 54233), (579, 49175), (843, 33775), (965, 29505), (1351, 21075), (1405, 20265), (1967, 14475), (2895, 9835), (4053, 7025), (4215, 6755), (4825, 5901)]