247657977

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{733}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 425038848

約数和(自身を除く): 177380871

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 173, 217, 279, 519, 651, 733, 1211, 1557, 1953, 2199, 3633, 5131, 5363, 6597, 10899, 15393, 16089, 22723, 37541, 46179, 48267, 68169, 112623, 126809, 159061, 204507, 337869, 380427, 477183, 887663, 1141281, 1431549, 2662989, 3931079, 7988967, 11793237, 27517553, 35379711, 82552659, 247657977]

約数ペア:

[(1, 247657977), (3, 82552659), (7, 35379711), (9, 27517553), (21, 11793237), (31, 7988967), (63, 3931079), (93, 2662989), (173, 1431549), (217, 1141281), (279, 887663), (519, 477183), (651, 380427), (733, 337869), (1211, 204507), (1557, 159061), (1953, 126809), (2199, 112623), (3633, 68169), (5131, 48267), (5363, 46179), (6597, 37541), (10899, 22723), (15393, 16089)]