28151685

素因数分解:

$3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1381}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 50415360

約数和(自身を除く): 22263675

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 1359, 1381, 2265, 4077, 4143, 6795, 6905, 12429, 20385, 20715, 37287, 62145, 186435, 208531, 625593, 1042655, 1876779, 3127965, 5630337, 9383895, 28151685]

約数ペア:

[(1, 28151685), (3, 9383895), (5, 5630337), (9, 3127965), (15, 1876779), (27, 1042655), (45, 625593), (135, 208531), (151, 186435), (453, 62145), (755, 37287), (1359, 20715), (1381, 20385), (2265, 12429), (4077, 6905), (4143, 6795)]