209370888909

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28404679}}^1$

素因数の和:28404711

約数の個数: 40

約数和(自身を含む): 384940223360

約数和(自身を除く): 175569334451

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 28404679, 85214037, 198832753, 255642111, 369260827, 596498259, 766926333, 1107782481, 1789494777, 2300778999, 2584825789, 3323347443, 5368484331, 7754477367, 9970042329, 16105452993, 23263432101, 29910126987, 69790296303, 209370888909]

約数ペア:

[(1, 209370888909), (3, 69790296303), (7, 29910126987), (9, 23263432101), (13, 16105452993), (21, 9970042329), (27, 7754477367), (39, 5368484331), (63, 3323347443), (81, 2584825789), (91, 2300778999), (117, 1789494777), (189, 1107782481), (273, 766926333), (351, 596498259), (567, 369260827), (819, 255642111), (1053, 198832753), (2457, 85214037), (7371, 28404679)]