217870533

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4153}}^1$

素因数の和:4258

約数の個数: 32

約数和(自身を含む): 338966400

約数和(自身を除く): 121095867

約数列:

[1, 3, 9, 27, 29, 67, 87, 201, 261, 603, 783, 1809, 1943, 4153, 5829, 12459, 17487, 37377, 52461, 112131, 120437, 278251, 361311, 834753, 1083933, 2504259, 3251799, 7512777, 8069279, 24207837, 72623511, 217870533]

約数ペア:

[(1, 217870533), (3, 72623511), (9, 24207837), (27, 8069279), (29, 7512777), (67, 3251799), (87, 2504259), (201, 1083933), (261, 834753), (603, 361311), (783, 278251), (1809, 120437), (1943, 112131), (4153, 52461), (5829, 37377), (12459, 17487)]