89189721

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 137675520

約数和(自身を除く): 48485799

約数列:

[1, 3, 9, 27, 37, 73, 111, 219, 333, 657, 999, 1223, 1971, 2701, 3669, 8103, 11007, 24309, 33021, 45251, 72927, 89279, 135753, 267837, 407259, 803511, 1221777, 2410533, 3303323, 9909969, 29729907, 89189721]

約数ペア:

[(1, 89189721), (3, 29729907), (9, 9909969), (27, 3303323), (37, 2410533), (73, 1221777), (111, 803511), (219, 407259), (333, 267837), (657, 135753), (999, 89279), (1223, 72927), (1971, 45251), (2701, 33021), (3669, 24309), (8103, 11007)]