20131371

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7481}}^1$

素因数の和:7523

約数の個数: 24

約数和(自身を含む): 32681376

約数和(自身を除く): 12550005

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7481, 22443, 67329, 97253, 172063, 291759, 516189, 875277, 1548567, 2236819, 6710457, 20131371]

約数ペア:

[(1, 20131371), (3, 6710457), (9, 2236819), (13, 1548567), (23, 875277), (39, 516189), (69, 291759), (117, 172063), (207, 97253), (299, 67329), (897, 22443), (2691, 7481)]