81039085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^3\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 109468800

約数和(自身を除く): 28429715

約数列:

[1, 5, 17, 19, 85, 95, 139, 323, 361, 695, 1615, 1805, 2363, 2641, 6137, 6859, 11815, 13205, 30685, 34295, 44897, 50179, 116603, 224485, 250895, 583015, 853043, 953401, 4265215, 4767005, 16207817, 81039085]

約数ペア:

[(1, 81039085), (5, 16207817), (17, 4767005), (19, 4265215), (85, 953401), (95, 853043), (139, 583015), (323, 250895), (361, 224485), (695, 116603), (1615, 50179), (1805, 44897), (2363, 34295), (2641, 30685), (6137, 13205), (6859, 11815)]