28338861

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 40379904

約数和(自身を除く): 12041043

約数列:

[1, 3, 19, 57, 137, 191, 361, 411, 573, 1083, 2603, 3629, 7809, 10887, 26167, 49457, 68951, 78501, 148371, 206853, 497173, 1491519, 9446287, 28338861]

約数ペア:

[(1, 28338861), (3, 9446287), (19, 1491519), (57, 497173), (137, 206853), (191, 148371), (361, 78501), (411, 68951), (573, 49457), (1083, 26167), (2603, 10887), (3629, 7809)]