28517841

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15161}}^1$

素因数の和:15197

約数の個数: 24

約数和(自身を含む): 47305440

約数和(自身を除く): 18787599

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 15161, 45483, 136449, 166771, 288059, 500313, 864177, 1500939, 2592531, 3168649, 9505947, 28517841]

約数ペア:

[(1, 28517841), (3, 9505947), (9, 3168649), (11, 2592531), (19, 1500939), (33, 864177), (57, 500313), (99, 288059), (171, 166771), (209, 136449), (627, 45483), (1881, 15161)]