28920177

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 22342671

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 759, 897, 977, 1287, 2277, 2691, 2931, 3289, 8793, 9867, 10747, 12701, 22471, 29601, 32241, 38103, 67413, 96723, 114309, 139711, 202239, 247181, 292123, 419133, 741543, 876369, 1257399, 2224629, 2629107, 3213353, 9640059, 28920177]

約数ペア:

[(1, 28920177), (3, 9640059), (9, 3213353), (11, 2629107), (13, 2224629), (23, 1257399), (33, 876369), (39, 741543), (69, 419133), (99, 292123), (117, 247181), (143, 202239), (207, 139711), (253, 114309), (299, 96723), (429, 67413), (759, 38103), (897, 32241), (977, 29601), (1287, 22471), (2277, 12701), (2691, 10747), (2931, 9867), (3289, 8793)]