51918381

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 80947200

約数和(自身を除く): 29028819

約数列:

[1, 3, 9, 27, 29, 61, 87, 183, 261, 549, 783, 1087, 1647, 1769, 3261, 5307, 9783, 15921, 29349, 31523, 47763, 66307, 94569, 198921, 283707, 596763, 851121, 1790289, 1922903, 5768709, 17306127, 51918381]

約数ペア:

[(1, 51918381), (3, 17306127), (9, 5768709), (27, 1922903), (29, 1790289), (61, 851121), (87, 596763), (183, 283707), (261, 198921), (549, 94569), (783, 66307), (1087, 47763), (1647, 31523), (1769, 29349), (3261, 15921), (5307, 9783)]