217418877

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1979}}^1$

素因数の和:2314

約数の個数: 32

約数和(自身を含む): 348163200

約数和(自身を除く): 130744323

約数列:

[1, 3, 9, 13, 27, 39, 117, 313, 351, 939, 1979, 2817, 4069, 5937, 8451, 12207, 17811, 25727, 36621, 53433, 77181, 109863, 231543, 619427, 694629, 1858281, 5574843, 8052551, 16724529, 24157653, 72472959, 217418877]

約数ペア:

[(1, 217418877), (3, 72472959), (9, 24157653), (13, 16724529), (27, 8052551), (39, 5574843), (117, 1858281), (313, 694629), (351, 619427), (939, 231543), (1979, 109863), (2817, 77181), (4069, 53433), (5937, 36621), (8451, 25727), (12207, 17811)]