207819009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{12211}}^1$

素因数の和:12309

約数の個数: 24

約数和(自身を含む): 314971904

約数和(自身を除く): 107152895

約数列:

[1, 3, 9, 31, 61, 93, 183, 279, 549, 1891, 5673, 12211, 17019, 36633, 109899, 378541, 744871, 1135623, 2234613, 3406869, 6703839, 23091001, 69273003, 207819009]

約数ペア:

[(1, 207819009), (3, 69273003), (9, 23091001), (31, 6703839), (61, 3406869), (93, 2234613), (183, 1135623), (279, 744871), (549, 378541), (1891, 109899), (5673, 36633), (12211, 17019)]