291275271

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8707}}^1$

素因数の和:8785

約数の個数: 40

約数和(自身を含む): 505760640

約数和(自身を除く): 214485369

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 1239, 1593, 3717, 4779, 8707, 11151, 26121, 33453, 60949, 78363, 182847, 235089, 513713, 548541, 705267, 1541139, 1645623, 3595991, 4623417, 4936869, 10787973, 13870251, 32363919, 41610753, 97091757, 291275271]

約数ペア:

[(1, 291275271), (3, 97091757), (7, 41610753), (9, 32363919), (21, 13870251), (27, 10787973), (59, 4936869), (63, 4623417), (81, 3595991), (177, 1645623), (189, 1541139), (413, 705267), (531, 548541), (567, 513713), (1239, 235089), (1593, 182847), (3717, 78363), (4779, 60949), (8707, 33453), (11151, 26121)]