28302057

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2213}}^1$

素因数の和:2262

約数の個数: 36

約数和(自身を含む): 49217220

約数和(自身を除く): 20915163

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 2213, 4263, 6639, 12789, 15491, 19917, 46473, 64177, 108437, 139419, 192531, 325311, 449239, 577593, 975933, 1347717, 3144673, 4043151, 9434019, 28302057]

約数ペア:

[(1, 28302057), (3, 9434019), (7, 4043151), (9, 3144673), (21, 1347717), (29, 975933), (49, 577593), (63, 449239), (87, 325311), (147, 192531), (203, 139419), (261, 108437), (441, 64177), (609, 46473), (1421, 19917), (1827, 15491), (2213, 12789), (4263, 6639)]