71817963

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{20981}}^1$

素因数の和:21154

約数の個数: 16

約数和(自身を含む): 110113536

約数和(自身を除く): 38295573

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 20981, 62943, 146867, 440601, 3419903, 10259709, 23939321, 71817963]

約数ペア:

[(1, 71817963), (3, 23939321), (7, 10259709), (21, 3419903), (163, 440601), (489, 146867), (1141, 62943), (3423, 20981)]