81123553

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{1093}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 97042176

約数和(自身を除く): 15918623

約数列:

[1, 7, 23, 161, 461, 1093, 3227, 7651, 10603, 25139, 74221, 175973, 503873, 3527111, 11589079, 81123553]

約数ペア:

[(1, 81123553), (7, 11589079), (23, 3527111), (161, 503873), (461, 175973), (1093, 74221), (3227, 25139), (7651, 10603)]