28818855

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16448

約数の個数: 32

約数和(自身を含む): 55177920

約数和(自身を除く): 26359065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16421, 49263, 82105, 147789, 213473, 246315, 443367, 640419, 738945, 1067365, 1921257, 2216835, 3202095, 5763771, 9606285, 28818855]

約数ペア:

[(1, 28818855), (3, 9606285), (5, 5763771), (9, 3202095), (13, 2216835), (15, 1921257), (27, 1067365), (39, 738945), (45, 640419), (65, 443367), (117, 246315), (135, 213473), (195, 147789), (351, 82105), (585, 49263), (1755, 16421)]