68839815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{991}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 120563712

約数和(自身を除く): 51723897

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 421, 991, 1263, 2105, 2973, 4631, 4955, 6315, 10901, 13893, 14865, 23155, 32703, 54505, 69465, 163515, 417211, 1251633, 2086055, 4589321, 6258165, 13767963, 22946605, 68839815]

約数ペア:

[(1, 68839815), (3, 22946605), (5, 13767963), (11, 6258165), (15, 4589321), (33, 2086055), (55, 1251633), (165, 417211), (421, 163515), (991, 69465), (1263, 54505), (2105, 32703), (2973, 23155), (4631, 14865), (4955, 13893), (6315, 10901)]