9998859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 15289344

約数和(自身を除く): 5290485

約数列:

[1, 3, 13, 23, 39, 69, 71, 157, 213, 299, 471, 897, 923, 1633, 2041, 2769, 3611, 4899, 6123, 10833, 11147, 21229, 33441, 46943, 63687, 140829, 144911, 256381, 434733, 769143, 3332953, 9998859]

約数ペア:

[(1, 9998859), (3, 3332953), (13, 769143), (23, 434733), (39, 256381), (69, 144911), (71, 140829), (157, 63687), (213, 46943), (299, 33441), (471, 21229), (897, 11147), (923, 10833), (1633, 6123), (2041, 4899), (2769, 3611)]