68139279

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 111117600

約数和(自身を除く): 42978321

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 137, 169, 327, 351, 411, 507, 981, 1233, 1417, 1521, 1781, 2943, 3699, 4251, 4563, 5343, 12753, 14933, 16029, 18421, 23153, 38259, 44799, 48087, 55263, 69459, 134397, 165789, 194129, 208377, 403191, 497367, 582387, 625131, 1747161, 2523677, 5241483, 7571031, 22713093, 68139279]

約数ペア:

[(1, 68139279), (3, 22713093), (9, 7571031), (13, 5241483), (27, 2523677), (39, 1747161), (109, 625131), (117, 582387), (137, 497367), (169, 403191), (327, 208377), (351, 194129), (411, 165789), (507, 134397), (981, 69459), (1233, 55263), (1417, 48087), (1521, 44799), (1781, 38259), (2943, 23153), (3699, 18421), (4251, 16029), (4563, 14933), (5343, 12753)]