28748655

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16381}}^1$

素因数の和:16408

約数の個数: 32

約数和(自身を含む): 55043520

約数和(自身を除く): 26294865

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16381, 49143, 81905, 147429, 212953, 245715, 442287, 638859, 737145, 1064765, 1916577, 2211435, 3194295, 5749731, 9582885, 28748655]

約数ペア:

[(1, 28748655), (3, 9582885), (5, 5749731), (9, 3194295), (13, 2211435), (15, 1916577), (27, 1064765), (39, 737145), (45, 638859), (65, 442287), (117, 245715), (135, 212953), (195, 147429), (351, 81905), (585, 49143), (1755, 16381)]