251287521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{967}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 364277760

約数和(自身を除く): 112990239

約数列:

[1, 3, 19, 47, 57, 97, 141, 291, 893, 967, 1843, 2679, 2901, 4559, 5529, 13677, 18373, 45449, 55119, 86621, 93799, 136347, 259863, 281397, 863531, 1782181, 2590593, 4408553, 5346543, 13225659, 83762507, 251287521]

約数ペア:

[(1, 251287521), (3, 83762507), (19, 13225659), (47, 5346543), (57, 4408553), (97, 2590593), (141, 1782181), (291, 863531), (893, 281397), (967, 259863), (1843, 136347), (2679, 93799), (2901, 86621), (4559, 55119), (5529, 45449), (13677, 18373)]