81656379

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 139898304

約数和(自身を除く): 58241925

約数列:

[1, 3, 7, 9, 21, 41, 63, 101, 123, 287, 303, 313, 369, 707, 861, 909, 939, 2121, 2191, 2583, 2817, 4141, 6363, 6573, 12423, 12833, 19719, 28987, 31613, 37269, 38499, 86961, 89831, 94839, 115497, 221291, 260883, 269493, 284517, 663873, 808479, 1296133, 1991619, 3888399, 9072931, 11665197, 27218793, 81656379]

約数ペア:

[(1, 81656379), (3, 27218793), (7, 11665197), (9, 9072931), (21, 3888399), (41, 1991619), (63, 1296133), (101, 808479), (123, 663873), (287, 284517), (303, 269493), (313, 260883), (369, 221291), (707, 115497), (861, 94839), (909, 89831), (939, 86961), (2121, 38499), (2191, 37269), (2583, 31613), (2817, 28987), (4141, 19719), (6363, 12833), (6573, 12423)]