220180107

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2647}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 356908032

約数和(自身を除く): 136727925

約数列:

[1, 3, 7, 17, 21, 51, 119, 233, 357, 699, 1631, 2647, 3961, 4893, 7941, 11883, 18529, 27727, 44999, 55587, 83181, 134997, 314993, 616751, 944979, 1850253, 4317257, 10484767, 12951771, 31454301, 73393369, 220180107]

約数ペア:

[(1, 220180107), (3, 73393369), (7, 31454301), (17, 12951771), (21, 10484767), (51, 4317257), (119, 1850253), (233, 944979), (357, 616751), (699, 314993), (1631, 134997), (2647, 83181), (3961, 55587), (4893, 44999), (7941, 27727), (11883, 18529)]