28782897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 45467520

約数和(自身を除く): 16684623

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 397, 429, 507, 1191, 1859, 2197, 4367, 5161, 5577, 6591, 13101, 15483, 24167, 56771, 67093, 72501, 170313, 201279, 738023, 872209, 2214069, 2616627, 9594299, 28782897]

約数ペア:

[(1, 28782897), (3, 9594299), (11, 2616627), (13, 2214069), (33, 872209), (39, 738023), (143, 201279), (169, 170313), (397, 72501), (429, 67093), (507, 56771), (1191, 24167), (1859, 15483), (2197, 13101), (4367, 6591), (5161, 5577)]