81386667

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 128381760

約数和(自身を除く): 46995093

約数列:

[1, 3, 9, 17, 27, 51, 153, 233, 459, 699, 761, 2097, 2283, 3961, 6291, 6849, 11883, 12937, 20547, 35649, 38811, 106947, 116433, 177313, 349299, 531939, 1595817, 3014321, 4787451, 9042963, 27128889, 81386667]

約数ペア:

[(1, 81386667), (3, 27128889), (9, 9042963), (17, 4787451), (27, 3014321), (51, 1595817), (153, 531939), (233, 349299), (459, 177313), (699, 116433), (761, 106947), (2097, 38811), (2283, 35649), (3961, 20547), (6291, 12937), (6849, 11883)]