81071575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 36

約数和(自身を含む): 114424968

約数和(自身を除く): 33353393

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 361, 475, 691, 1235, 1805, 3455, 4693, 6175, 8983, 9025, 13129, 17275, 23465, 44915, 65645, 117325, 170677, 224575, 249451, 328225, 853385, 1247255, 3242863, 4266925, 6236275, 16214315, 81071575]

約数ペア:

[(1, 81071575), (5, 16214315), (13, 6236275), (19, 4266925), (25, 3242863), (65, 1247255), (95, 853385), (247, 328225), (325, 249451), (361, 224575), (475, 170677), (691, 117325), (1235, 65645), (1805, 44915), (3455, 23465), (4693, 17275), (6175, 13129), (8983, 9025)]