2781103

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 16

約数和(自身を含む): 3168256

約数和(自身を除く): 387153

約数列:

[1, 13, 31, 67, 103, 403, 871, 1339, 2077, 3193, 6901, 27001, 41509, 89713, 213931, 2781103]

約数ペア:

[(1, 2781103), (13, 213931), (31, 89713), (67, 41509), (103, 27001), (403, 6901), (871, 3193), (1339, 2077)]