131506179

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 204986880

約数和(自身を除く): 73480701

約数列:

[1, 3, 7, 21, 61, 183, 251, 409, 427, 753, 1227, 1281, 1757, 2863, 5271, 8589, 15311, 24949, 45933, 74847, 102659, 107177, 174643, 307977, 321531, 523929, 718613, 2155839, 6262199, 18786597, 43835393, 131506179]

約数ペア:

[(1, 131506179), (3, 43835393), (7, 18786597), (21, 6262199), (61, 2155839), (183, 718613), (251, 523929), (409, 321531), (427, 307977), (753, 174643), (1227, 107177), (1281, 102659), (1757, 74847), (2863, 45933), (5271, 24949), (8589, 15311)]