127978509

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 200540160

約数和(自身を除く): 72561651

約数列:

[1, 3, 19, 23, 31, 47, 57, 67, 69, 93, 141, 201, 437, 589, 713, 893, 1081, 1273, 1311, 1457, 1541, 1767, 2077, 2139, 2679, 3149, 3243, 3819, 4371, 4623, 6231, 9447, 13547, 20539, 27683, 29279, 33511, 39463, 40641, 47771, 59831, 61617, 72427, 83049, 87837, 97619, 100533, 118389, 143313, 179493, 217281, 292857, 636709, 907649, 1376113, 1854761, 1910127, 2245237, 2722947, 4128339, 5564283, 6735711, 42659503, 127978509]

約数ペア:

[(1, 127978509), (3, 42659503), (19, 6735711), (23, 5564283), (31, 4128339), (47, 2722947), (57, 2245237), (67, 1910127), (69, 1854761), (93, 1376113), (141, 907649), (201, 636709), (437, 292857), (589, 217281), (713, 179493), (893, 143313), (1081, 118389), (1273, 100533), (1311, 97619), (1457, 87837), (1541, 83049), (1767, 72427), (2077, 61617), (2139, 59831), (2679, 47771), (3149, 40641), (3243, 39463), (3819, 33511), (4371, 29279), (4623, 27683), (6231, 20539), (9447, 13547)]