28856817

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 47567520

約数和(自身を除く): 18710703

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 139, 233, 297, 417, 699, 891, 1251, 1529, 2097, 2563, 3753, 4587, 6291, 7689, 11259, 13761, 18873, 23067, 32387, 41283, 69201, 97161, 123849, 207603, 291483, 356257, 874449, 1068771, 2623347, 3206313, 9618939, 28856817]

約数ペア:

[(1, 28856817), (3, 9618939), (9, 3206313), (11, 2623347), (27, 1068771), (33, 874449), (81, 356257), (99, 291483), (139, 207603), (233, 123849), (297, 97161), (417, 69201), (699, 41283), (891, 32387), (1251, 23067), (1529, 18873), (2097, 13761), (2563, 11259), (3753, 7689), (4587, 6291)]