71980167

素因数分解:

$3^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{1453}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 112051056

約数和(自身を除く): 40070889

約数列:

[1, 3, 7, 21, 49, 147, 337, 1011, 1453, 2359, 4359, 7077, 10171, 16513, 30513, 49539, 71197, 213591, 489661, 1468983, 3427627, 10282881, 23993389, 71980167]

約数ペア:

[(1, 71980167), (3, 23993389), (7, 10282881), (21, 3427627), (49, 1468983), (147, 489661), (337, 213591), (1011, 71197), (1453, 49539), (2359, 30513), (4359, 16513), (7077, 10171)]