81265842

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71663}}^1$

素因数の和:71684

約数の個数: 40

約数和(自身を含む): 208112256

約数和(自身を除く): 126846414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 71663, 143326, 214989, 429978, 501641, 644967, 1003282, 1289934, 1504923, 1934901, 3009846, 3869802, 4514769, 5804703, 9029538, 11609406, 13544307, 27088614, 40632921, 81265842]

約数ペア:

[(1, 81265842), (2, 40632921), (3, 27088614), (6, 13544307), (7, 11609406), (9, 9029538), (14, 5804703), (18, 4514769), (21, 3869802), (27, 3009846), (42, 1934901), (54, 1504923), (63, 1289934), (81, 1003282), (126, 644967), (162, 501641), (189, 429978), (378, 214989), (567, 143326), (1134, 71663)]