16404825

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{4127}}^1$

素因数の和:4193

約数の個数: 24

約数和(自身を含む): 27641088

約数和(自身を除く): 11236263

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 4127, 12381, 20635, 61905, 103175, 218731, 309525, 656193, 1093655, 3280965, 5468275, 16404825]

約数ペア:

[(1, 16404825), (3, 5468275), (5, 3280965), (15, 1093655), (25, 656193), (53, 309525), (75, 218731), (159, 103175), (265, 61905), (795, 20635), (1325, 12381), (3975, 4127)]