2779491

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 4766720

約数和(自身を除く): 1987229

約数列:

[1, 3, 11, 13, 19, 31, 33, 39, 57, 93, 121, 143, 209, 247, 341, 363, 403, 429, 589, 627, 741, 1023, 1209, 1573, 1767, 2299, 2717, 3751, 4433, 4719, 6479, 6897, 7657, 8151, 11253, 13299, 19437, 22971, 29887, 48763, 71269, 84227, 89661, 146289, 213807, 252681, 926497, 2779491]

約数ペア:

[(1, 2779491), (3, 926497), (11, 252681), (13, 213807), (19, 146289), (31, 89661), (33, 84227), (39, 71269), (57, 48763), (93, 29887), (121, 22971), (143, 19437), (209, 13299), (247, 11253), (341, 8151), (363, 7657), (403, 6897), (429, 6479), (589, 4719), (627, 4433), (741, 3751), (1023, 2717), (1209, 2299), (1573, 1767)]