2987309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 3424512

約数和(自身を除く): 437203

約数列:

[1, 13, 23, 97, 103, 299, 1261, 1339, 2231, 2369, 9991, 29003, 30797, 129883, 229793, 2987309]

約数ペア:

[(1, 2987309), (13, 229793), (23, 129883), (97, 30797), (103, 29003), (299, 9991), (1261, 2369), (1339, 2231)]