85578831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 141654240

約数和(自身を除く): 56075409

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 137, 171, 247, 281, 411, 741, 843, 1233, 1781, 2223, 2529, 2603, 3653, 5339, 5343, 7809, 10959, 16017, 16029, 23427, 32877, 33839, 38497, 48051, 69407, 101517, 115491, 208221, 304551, 346473, 500461, 624663, 731443, 1501383, 2194329, 4504149, 6582987, 9508759, 28526277, 85578831]

約数ペア:

[(1, 85578831), (3, 28526277), (9, 9508759), (13, 6582987), (19, 4504149), (39, 2194329), (57, 1501383), (117, 731443), (137, 624663), (171, 500461), (247, 346473), (281, 304551), (411, 208221), (741, 115491), (843, 101517), (1233, 69407), (1781, 48051), (2223, 38497), (2529, 33839), (2603, 32877), (3653, 23427), (5339, 16029), (5343, 16017), (7809, 10959)]