13115221

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 16490880

約数和(自身を除く): 3375659

約数列:

[1, 7, 23, 29, 53, 161, 203, 371, 667, 1219, 1537, 2809, 4669, 8533, 10759, 19663, 35351, 64607, 81461, 247457, 452249, 570227, 1873603, 13115221]

約数ペア:

[(1, 13115221), (7, 1873603), (23, 570227), (29, 452249), (53, 247457), (161, 81461), (203, 64607), (371, 35351), (667, 19663), (1219, 10759), (1537, 8533), (2809, 4669)]