51509997

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 93450240

約数和(自身を除く): 41940243

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 239, 311, 693, 717, 933, 1673, 2151, 2177, 2629, 2799, 3421, 5019, 6531, 7887, 10263, 15057, 18403, 19593, 23661, 23947, 30789, 55209, 71841, 74329, 165627, 215523, 222987, 520303, 668961, 817619, 1560909, 2452857, 4682727, 5723333, 7358571, 17169999, 51509997]

約数ペア:

[(1, 51509997), (3, 17169999), (7, 7358571), (9, 5723333), (11, 4682727), (21, 2452857), (33, 1560909), (63, 817619), (77, 668961), (99, 520303), (231, 222987), (239, 215523), (311, 165627), (693, 74329), (717, 71841), (933, 55209), (1673, 30789), (2151, 23947), (2177, 23661), (2629, 19593), (2799, 18403), (3421, 15057), (5019, 10263), (6531, 7887)]