253852977

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 419173440

約数和(自身を除く): 165320463

約数列:

[1, 3, 7, 19, 21, 49, 57, 97, 133, 147, 291, 399, 679, 931, 937, 1843, 2037, 2793, 2811, 4753, 5529, 6559, 12901, 14259, 17803, 19677, 38703, 45913, 53409, 90307, 90889, 124621, 137739, 270921, 272667, 373863, 636223, 872347, 1726891, 1908669, 2617041, 4453561, 5180673, 12088237, 13360683, 36264711, 84617659, 253852977]

約数ペア:

[(1, 253852977), (3, 84617659), (7, 36264711), (19, 13360683), (21, 12088237), (49, 5180673), (57, 4453561), (97, 2617041), (133, 1908669), (147, 1726891), (291, 872347), (399, 636223), (679, 373863), (931, 272667), (937, 270921), (1843, 137739), (2037, 124621), (2793, 90889), (2811, 90307), (4753, 53409), (5529, 45913), (6559, 38703), (12901, 19677), (14259, 17803)]