68248521

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 117411840

約数和(自身を除く): 49163319

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 97, 99, 103, 207, 253, 291, 297, 309, 621, 759, 873, 927, 1067, 1133, 2231, 2277, 2369, 2619, 2781, 3201, 3399, 6693, 6831, 7107, 9603, 9991, 10197, 20079, 21321, 24541, 26059, 28809, 29973, 30591, 60237, 63963, 73623, 78177, 89919, 109901, 220869, 229793, 234531, 269757, 329703, 662607, 689379, 703593, 989109, 2068137, 2527723, 2967327, 6204411, 7583169, 22749507, 68248521]

約数ペア:

[(1, 68248521), (3, 22749507), (9, 7583169), (11, 6204411), (23, 2967327), (27, 2527723), (33, 2068137), (69, 989109), (97, 703593), (99, 689379), (103, 662607), (207, 329703), (253, 269757), (291, 234531), (297, 229793), (309, 220869), (621, 109901), (759, 89919), (873, 78177), (927, 73623), (1067, 63963), (1133, 60237), (2231, 30591), (2277, 29973), (2369, 28809), (2619, 26059), (2781, 24541), (3201, 21321), (3399, 20079), (6693, 10197), (6831, 9991), (7107, 9603)]