28913521749

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6317}}^1\times {\mathrm{12821}}^1$

素因数の和:19165

約数の個数: 32

約数和(自身を含む): 46661412096

約数和(自身を除く): 17747890347

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 6317, 12821, 18951, 38463, 44219, 89747, 107389, 132657, 217957, 269241, 322167, 653871, 751723, 1525699, 2255169, 4577097, 80990257, 242970771, 566931799, 1376834369, 1700795397, 4130503107, 9637840583, 28913521749]

約数ペア:

[(1, 28913521749), (3, 9637840583), (7, 4130503107), (17, 1700795397), (21, 1376834369), (51, 566931799), (119, 242970771), (357, 80990257), (6317, 4577097), (12821, 2255169), (18951, 1525699), (38463, 751723), (44219, 653871), (89747, 322167), (107389, 269241), (132657, 217957)]