16992927

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 12659553

約数列:

[1, 3, 7, 9, 21, 29, 63, 71, 87, 131, 203, 213, 261, 393, 497, 609, 639, 917, 1179, 1491, 1827, 2059, 2751, 3799, 4473, 6177, 8253, 9301, 11397, 14413, 18531, 26593, 27903, 34191, 43239, 65107, 79779, 83709, 129717, 195321, 239337, 269729, 585963, 809187, 1888103, 2427561, 5664309, 16992927]

約数ペア:

[(1, 16992927), (3, 5664309), (7, 2427561), (9, 1888103), (21, 809187), (29, 585963), (63, 269729), (71, 239337), (87, 195321), (131, 129717), (203, 83709), (213, 79779), (261, 65107), (393, 43239), (497, 34191), (609, 27903), (639, 26593), (917, 18531), (1179, 14413), (1491, 11397), (1827, 9301), (2059, 8253), (2751, 6177), (3799, 4473)]