28915047

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 48994920

約数和(自身を除く): 20079873

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 379, 441, 519, 1137, 1211, 1557, 2653, 3411, 3633, 7959, 8477, 10899, 18571, 23877, 25431, 55713, 65567, 76293, 167139, 196701, 458969, 590103, 1376907, 3212783, 4130721, 9638349, 28915047]

約数ペア:

[(1, 28915047), (3, 9638349), (7, 4130721), (9, 3212783), (21, 1376907), (49, 590103), (63, 458969), (147, 196701), (173, 167139), (379, 76293), (441, 65567), (519, 55713), (1137, 25431), (1211, 23877), (1557, 18571), (2653, 10899), (3411, 8477), (3633, 7959)]