861399

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 1576848

約数和(自身を除く): 715449

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 113, 121, 231, 339, 363, 693, 791, 847, 1017, 1089, 1243, 2373, 2541, 3729, 7119, 7623, 8701, 11187, 13673, 26103, 41019, 78309, 95711, 123057, 287133, 861399]

約数ペア:

[(1, 861399), (3, 287133), (7, 123057), (9, 95711), (11, 78309), (21, 41019), (33, 26103), (63, 13673), (77, 11187), (99, 8701), (113, 7623), (121, 7119), (231, 3729), (339, 2541), (363, 2373), (693, 1243), (791, 1089), (847, 1017)]