218331357

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{701}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 320246784

約数和(自身を除く): 101915427

約数列:

[1, 3, 17, 31, 51, 93, 197, 527, 591, 701, 1581, 2103, 3349, 6107, 10047, 11917, 18321, 21731, 35751, 65193, 103819, 138097, 311457, 369427, 414291, 1108281, 2347649, 4281007, 7042947, 12843021, 72777119, 218331357]

約数ペア:

[(1, 218331357), (3, 72777119), (17, 12843021), (31, 7042947), (51, 4281007), (93, 2347649), (197, 1108281), (527, 414291), (591, 369427), (701, 311457), (1581, 138097), (2103, 103819), (3349, 65193), (6107, 35751), (10047, 21731), (11917, 18321)]