16402881

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 24408160

約数和(自身を除く): 8005279

約数列:

[1, 3, 11, 33, 73, 121, 219, 363, 619, 803, 1857, 2409, 6809, 8833, 20427, 26499, 45187, 74899, 135561, 224697, 497057, 1491171, 5467627, 16402881]

約数ペア:

[(1, 16402881), (3, 5467627), (11, 1491171), (33, 497057), (73, 224697), (121, 135561), (219, 74899), (363, 45187), (619, 26499), (803, 20427), (1857, 8833), (2409, 6809)]