68897889

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{26489}}^1$

素因数の和:26529

約数の個数: 18

約数和(自身を含む): 105721590

約数和(自身を除く): 36823701

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 26489, 79467, 238401, 450313, 1350939, 4052817, 7655321, 22965963, 68897889]

約数ペア:

[(1, 68897889), (3, 22965963), (9, 7655321), (17, 4052817), (51, 1350939), (153, 450313), (289, 238401), (867, 79467), (2601, 26489)]