198128931

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3881}}^1$

素因数の和:3932

約数の個数: 64

約数和(自身を含む): 375653376

約数和(自身を除く): 177524445

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 51, 77, 91, 119, 143, 187, 221, 231, 273, 357, 429, 561, 663, 1001, 1309, 1547, 2431, 3003, 3881, 3927, 4641, 7293, 11643, 17017, 27167, 42691, 50453, 51051, 65977, 81501, 128073, 151359, 197931, 298837, 353171, 461839, 554983, 725747, 857701, 896511, 1059513, 1385517, 1664949, 2177241, 2573103, 3884881, 5080229, 6003907, 9434711, 11654643, 15240687, 18011721, 28304133, 66042977, 198128931]

約数ペア:

[(1, 198128931), (3, 66042977), (7, 28304133), (11, 18011721), (13, 15240687), (17, 11654643), (21, 9434711), (33, 6003907), (39, 5080229), (51, 3884881), (77, 2573103), (91, 2177241), (119, 1664949), (143, 1385517), (187, 1059513), (221, 896511), (231, 857701), (273, 725747), (357, 554983), (429, 461839), (561, 353171), (663, 298837), (1001, 197931), (1309, 151359), (1547, 128073), (2431, 81501), (3003, 65977), (3881, 51051), (3927, 50453), (4641, 42691), (7293, 27167), (11643, 17017)]