217293813

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43037}}^1$

素因数の和:43074

約数の個数: 32

約数和(自身を含む): 371848320

約数和(自身を除く): 154554507

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 5049, 43037, 129111, 387333, 473407, 731629, 1161999, 1420221, 2194887, 4260663, 6584661, 8047919, 12781989, 19753983, 24143757, 72431271, 217293813]

約数ペア:

[(1, 217293813), (3, 72431271), (9, 24143757), (11, 19753983), (17, 12781989), (27, 8047919), (33, 6584661), (51, 4260663), (99, 2194887), (153, 1420221), (187, 1161999), (297, 731629), (459, 473407), (561, 387333), (1683, 129111), (5049, 43037)]