428843727

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1291

約数の個数: 56

約数和(自身を含む): 711726624

約数和(自身を除く): 282882897

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 333, 351, 481, 729, 999, 1053, 1223, 1443, 2997, 3159, 3669, 4329, 8991, 9477, 11007, 12987, 15899, 26973, 33021, 38961, 45251, 47697, 99063, 116883, 135753, 143091, 297189, 350649, 407259, 429273, 588263, 891567, 1221777, 1287819, 1764789, 3665331, 3863457, 5294367, 10995993, 11590371, 15883101, 32987979, 47649303, 142947909, 428843727]

約数ペア:

[(1, 428843727), (3, 142947909), (9, 47649303), (13, 32987979), (27, 15883101), (37, 11590371), (39, 10995993), (81, 5294367), (111, 3863457), (117, 3665331), (243, 1764789), (333, 1287819), (351, 1221777), (481, 891567), (729, 588263), (999, 429273), (1053, 407259), (1223, 350649), (1443, 297189), (2997, 143091), (3159, 135753), (3669, 116883), (4329, 99063), (8991, 47697), (9477, 45251), (11007, 38961), (12987, 33021), (15899, 26973)]