211479291

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{12007}}^1$

素因数の和:12135

約数の個数: 24

約数和(自身を含む): 324696320

約数和(自身を除く): 113217029

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1957, 5871, 12007, 17613, 36021, 108063, 228133, 684399, 1236721, 2053197, 3710163, 11130489, 23497699, 70493097, 211479291]

約数ペア:

[(1, 211479291), (3, 70493097), (9, 23497699), (19, 11130489), (57, 3710163), (103, 2053197), (171, 1236721), (309, 684399), (927, 228133), (1957, 108063), (5871, 36021), (12007, 17613)]