71987811

素因数分解:

$3^1\times 7^3\times {\mathrm{69959}}^1$

素因数の和:69983

約数の個数: 16

約数和(自身を含む): 111936000

約数和(自身を除く): 39948189

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 69959, 209877, 489713, 1469139, 3427991, 10283973, 23995937, 71987811]

約数ペア:

[(1, 71987811), (3, 23995937), (7, 10283973), (21, 3427991), (49, 1469139), (147, 489713), (343, 209877), (1029, 69959)]