221574209

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2971}}^1$

素因数の和:3136

約数の個数: 16

約数和(自身を含む): 242657856

約数和(自身を除く): 21083647

約数列:

[1, 17, 41, 107, 697, 1819, 2971, 4387, 50507, 74579, 121811, 317897, 2070787, 5404249, 13033777, 221574209]

約数ペア:

[(1, 221574209), (17, 13033777), (41, 5404249), (107, 2070787), (697, 317897), (1819, 121811), (2971, 74579), (4387, 50507)]