121213281

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1291}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 196466688

約数和(自身を除く): 75253407

約数列:

[1, 3, 7, 17, 21, 51, 119, 263, 357, 789, 1291, 1841, 3873, 4471, 5523, 9037, 13413, 21947, 27111, 31297, 65841, 93891, 153629, 339533, 460887, 1018599, 2376731, 5772061, 7130193, 17316183, 40404427, 121213281]

約数ペア:

[(1, 121213281), (3, 40404427), (7, 17316183), (17, 7130193), (21, 5772061), (51, 2376731), (119, 1018599), (263, 460887), (357, 339533), (789, 153629), (1291, 93891), (1841, 65841), (3873, 31297), (4471, 27111), (5523, 21947), (9037, 13413)]