85205421

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{32987}}^1$

素因数の和:33041

約数の個数: 24

約数和(自身を含む): 144091584

約数和(自身を除く): 58886163

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 32987, 98961, 230909, 296883, 692727, 1352467, 2078181, 4057401, 9467269, 12172203, 28401807, 85205421]

約数ペア:

[(1, 85205421), (3, 28401807), (7, 12172203), (9, 9467269), (21, 4057401), (41, 2078181), (63, 1352467), (123, 692727), (287, 296883), (369, 230909), (861, 98961), (2583, 32987)]