81342351

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 119705040

約数和(自身を除く): 38362689

約数列:

[1, 3, 9, 89, 173, 267, 519, 587, 801, 1557, 1761, 5283, 15397, 46191, 52243, 101551, 138573, 156729, 304653, 470187, 913959, 9038039, 27114117, 81342351]

約数ペア:

[(1, 81342351), (3, 27114117), (9, 9038039), (89, 913959), (173, 470187), (267, 304653), (519, 156729), (587, 138573), (801, 101551), (1557, 52243), (1761, 46191), (5283, 15397)]