87395607

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 145087488

約数和(自身を除く): 57691881

約数列:

[1, 3, 9, 13, 23, 39, 47, 69, 117, 141, 207, 299, 423, 611, 691, 897, 1081, 1833, 2073, 2691, 3243, 5499, 6219, 8983, 9729, 14053, 15893, 26949, 32477, 42159, 47679, 80847, 97431, 126477, 143037, 206609, 292293, 422201, 619827, 746971, 1266603, 1859481, 2240913, 3799809, 6722739, 9710623, 29131869, 87395607]

約数ペア:

[(1, 87395607), (3, 29131869), (9, 9710623), (13, 6722739), (23, 3799809), (39, 2240913), (47, 1859481), (69, 1266603), (117, 746971), (141, 619827), (207, 422201), (299, 292293), (423, 206609), (611, 143037), (691, 126477), (897, 97431), (1081, 80847), (1833, 47679), (2073, 42159), (2691, 32477), (3243, 26949), (5499, 15893), (6219, 14053), (8983, 9729)]