71505981

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 105406080

約数和(自身を除く): 33900099

約数列:

[1, 3, 9, 79, 163, 237, 489, 617, 711, 1467, 1851, 5553, 12877, 38631, 48743, 100571, 115893, 146229, 301713, 438687, 905139, 7945109, 23835327, 71505981]

約数ペア:

[(1, 71505981), (3, 23835327), (9, 7945109), (79, 905139), (163, 438687), (237, 301713), (489, 146229), (617, 115893), (711, 100571), (1467, 48743), (1851, 38631), (5553, 12877)]