254879079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{54919}}^1$

素因数の和:54959

約数の個数: 32

約数和(自身を含む): 442874880

約数和(自身を除く): 187995801

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 54919, 164757, 384433, 713947, 933623, 1153299, 2141841, 2800869, 4997629, 6535361, 12137099, 14992887, 19606083, 36411297, 84959693, 254879079]

約数ペア:

[(1, 254879079), (3, 84959693), (7, 36411297), (13, 19606083), (17, 14992887), (21, 12137099), (39, 6535361), (51, 4997629), (91, 2800869), (119, 2141841), (221, 1153299), (273, 933623), (357, 713947), (663, 384433), (1547, 164757), (4641, 54919)]