201105281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1571}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 222720960

約数和(自身を除く): 21615679

約数列:

[1, 13, 43, 229, 559, 1571, 2977, 9847, 20423, 67553, 128011, 359759, 878189, 4676867, 15469637, 201105281]

約数ペア:

[(1, 201105281), (13, 15469637), (43, 4676867), (229, 878189), (559, 359759), (1571, 128011), (2977, 67553), (9847, 20423)]