20197668897

素因数分解:

$3^7\times 7^1\times {\mathrm{1319333}}^1$

素因数の和:1319361

約数の個数: 32

約数和(自身を含む): 34619324160

約数和(自身を除く): 14421655263

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 15309, 1319333, 3957999, 9235331, 11873997, 27705993, 35621991, 83117979, 106865973, 249353937, 320597919, 748061811, 961793757, 2244185433, 2885381271, 6732556299, 20197668897]

約数ペア:

[(1, 20197668897), (3, 6732556299), (7, 2885381271), (9, 2244185433), (21, 961793757), (27, 748061811), (63, 320597919), (81, 249353937), (189, 106865973), (243, 83117979), (567, 35621991), (729, 27705993), (1701, 11873997), (2187, 9235331), (5103, 3957999), (15309, 1319333)]