205768431351

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1100831}}^1$

素因数の和:1100913

約数の個数: 64

約数和(自身を含む): 371993149440

約数和(自身を除く): 166224718089

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 129, 161, 189, 207, 301, 387, 483, 621, 903, 989, 1161, 1449, 2709, 2967, 4347, 6923, 8127, 8901, 20769, 26703, 62307, 186921, 1100831, 3302493, 7705817, 9907479, 23117451, 25319113, 29722437, 47335733, 69352353, 75957339, 142007199, 177233791, 208057059, 227872017, 331350131, 426021597, 531701373, 683616051, 994050393, 1088721859, 1278064791, 1595104119, 2982151179, 3266165577, 4785312357, 7621053013, 8946453537, 9798496731, 22863159039, 29395490193, 68589477117, 205768431351]

約数ペア:

[(1, 205768431351), (3, 68589477117), (7, 29395490193), (9, 22863159039), (21, 9798496731), (23, 8946453537), (27, 7621053013), (43, 4785312357), (63, 3266165577), (69, 2982151179), (129, 1595104119), (161, 1278064791), (189, 1088721859), (207, 994050393), (301, 683616051), (387, 531701373), (483, 426021597), (621, 331350131), (903, 227872017), (989, 208057059), (1161, 177233791), (1449, 142007199), (2709, 75957339), (2967, 69352353), (4347, 47335733), (6923, 29722437), (8127, 25319113), (8901, 23117451), (20769, 9907479), (26703, 7705817), (62307, 3302493), (186921, 1100831)]