1638566091

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{4177}}^1$

素因数の和:4385

約数の個数: 40

約数和(自身を含む): 2547911520

約数和(自身を除く): 909345429

約数列:

[1, 3, 9, 27, 29, 81, 87, 167, 261, 501, 783, 1503, 2349, 4177, 4509, 4843, 12531, 13527, 14529, 37593, 43587, 112779, 121133, 130761, 338337, 363399, 392283, 697559, 1090197, 2092677, 3270591, 6278031, 9811773, 18834093, 20229211, 56502279, 60687633, 182062899, 546188697, 1638566091]

約数ペア:

[(1, 1638566091), (3, 546188697), (9, 182062899), (27, 60687633), (29, 56502279), (81, 20229211), (87, 18834093), (167, 9811773), (261, 6278031), (501, 3270591), (783, 2092677), (1503, 1090197), (2349, 697559), (4177, 392283), (4509, 363399), (4843, 338337), (12531, 130761), (13527, 121133), (14529, 112779), (37593, 43587)]