278421801

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41047}}^1$

素因数の和:41093

約数の個数: 32

約数和(自身を含む): 472872960

約数和(自身を除く): 194451159

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 41047, 123141, 287329, 697799, 779893, 861987, 2093397, 2339679, 4884593, 5459251, 13258181, 14653779, 16377753, 39774543, 92807267, 278421801]

約数ペア:

[(1, 278421801), (3, 92807267), (7, 39774543), (17, 16377753), (19, 14653779), (21, 13258181), (51, 5459251), (57, 4884593), (119, 2339679), (133, 2093397), (323, 861987), (357, 779893), (399, 697799), (969, 287329), (2261, 123141), (6783, 41047)]