71639967

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{20929}}^1$

素因数の和:21102

約数の個数: 16

約数和(自身を含む): 109840640

約数和(自身を除く): 38200673

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 20929, 62787, 146503, 439509, 3411427, 10234281, 23879989, 71639967]

約数ペア:

[(1, 71639967), (3, 23879989), (7, 10234281), (21, 3411427), (163, 439509), (489, 146503), (1141, 62787), (3423, 20929)]