287403831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223313}}^1$

素因数の和:223343

約数の個数: 24

約数和(自身を含む): 487717776

約数和(自身を除く): 200313945

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 223313, 669939, 2009817, 2456443, 2903069, 7369329, 8709207, 22107987, 26127621, 31933759, 95801277, 287403831]

約数ペア:

[(1, 287403831), (3, 95801277), (9, 31933759), (11, 26127621), (13, 22107987), (33, 8709207), (39, 7369329), (99, 2903069), (117, 2456443), (143, 2009817), (429, 669939), (1287, 223313)]