51258921

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 81980160

約数和(自身を除く): 30721239

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 511, 609, 1153, 1533, 2117, 3459, 6351, 8071, 14819, 24213, 33437, 44457, 84169, 100311, 234059, 252507, 589183, 702177, 1767549, 2440901, 7322703, 17086307, 51258921]

約数ペア:

[(1, 51258921), (3, 17086307), (7, 7322703), (21, 2440901), (29, 1767549), (73, 702177), (87, 589183), (203, 252507), (219, 234059), (511, 100311), (609, 84169), (1153, 44457), (1533, 33437), (2117, 24213), (3459, 14819), (6351, 8071)]