28853781

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 42760032

約数和(自身を除く): 13906251

約数列:

[1, 3, 11, 33, 101, 121, 303, 363, 787, 1111, 2361, 3333, 8657, 12221, 25971, 36663, 79487, 95227, 238461, 285681, 874357, 2623071, 9617927, 28853781]

約数ペア:

[(1, 28853781), (3, 9617927), (11, 2623071), (33, 874357), (101, 285681), (121, 238461), (303, 95227), (363, 79487), (787, 36663), (1111, 25971), (2361, 12221), (3333, 8657)]