15860817

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{929}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 26307840

約数和(自身を除く): 10447023

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 929, 1897, 2439, 2787, 5691, 6503, 8361, 17073, 19509, 58527, 251759, 755277, 1762313, 2265831, 5286939, 15860817]

約数ペア:

[(1, 15860817), (3, 5286939), (7, 2265831), (9, 1762313), (21, 755277), (63, 251759), (271, 58527), (813, 19509), (929, 17073), (1897, 8361), (2439, 6503), (2787, 5691)]