28418715

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16193}}^1$

素因数の和:16220

約数の個数: 32

約数和(自身を含む): 54411840

約数和(自身を除く): 25993125

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16193, 48579, 80965, 145737, 210509, 242895, 437211, 631527, 728685, 1052545, 1894581, 2186055, 3157635, 5683743, 9472905, 28418715]

約数ペア:

[(1, 28418715), (3, 9472905), (5, 5683743), (9, 3157635), (13, 2186055), (15, 1894581), (27, 1052545), (39, 728685), (45, 631527), (65, 437211), (117, 242895), (135, 210509), (195, 145737), (351, 80965), (585, 48579), (1755, 16193)]