16501401

素因数分解:

$3^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 12327399

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 109, 189, 243, 267, 327, 567, 623, 763, 801, 981, 1701, 1869, 2289, 2403, 2943, 5607, 6867, 7209, 8829, 9701, 16821, 20601, 21627, 26487, 29103, 50463, 61803, 67907, 87309, 151389, 185409, 203721, 261927, 611163, 785781, 1833489, 2357343, 5500467, 16501401]

約数ペア:

[(1, 16501401), (3, 5500467), (7, 2357343), (9, 1833489), (21, 785781), (27, 611163), (63, 261927), (81, 203721), (89, 185409), (109, 151389), (189, 87309), (243, 67907), (267, 61803), (327, 50463), (567, 29103), (623, 26487), (763, 21627), (801, 20601), (981, 16821), (1701, 9701), (1869, 8829), (2289, 7209), (2403, 6867), (2943, 5607)]