1277720703

素因数分解:

$3^3\times 7^1\times {\mathrm{6760427}}^1$

素因数の和:6760443

約数の個数: 16

約数和(自身を含む): 2163336960

約数和(自身を除く): 885616257

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6760427, 20281281, 47322989, 60843843, 141968967, 182531529, 425906901, 1277720703]

約数ペア:

[(1, 1277720703), (3, 425906901), (7, 182531529), (9, 141968967), (21, 60843843), (27, 47322989), (63, 20281281), (189, 6760427)]