788731293

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 1252869120

約数和(自身を除く): 464137827

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 211, 413, 431, 633, 1239, 1293, 1477, 2891, 3017, 4431, 8673, 9051, 10339, 12449, 21119, 25429, 31017, 37347, 63357, 76287, 87143, 90941, 178003, 261429, 272823, 534009, 610001, 636587, 1246021, 1830003, 1909761, 3738063, 4456109, 5365519, 13368327, 16096557, 37558633, 112675899, 262910431, 788731293]

約数ペア:

[(1, 788731293), (3, 262910431), (7, 112675899), (21, 37558633), (49, 16096557), (59, 13368327), (147, 5365519), (177, 4456109), (211, 3738063), (413, 1909761), (431, 1830003), (633, 1246021), (1239, 636587), (1293, 610001), (1477, 534009), (2891, 272823), (3017, 261429), (4431, 178003), (8673, 90941), (9051, 87143), (10339, 76287), (12449, 63357), (21119, 37347), (25429, 31017)]