1810431

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 3221504

約数和(自身を除く): 1411073

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 103, 189, 217, 279, 309, 567, 651, 721, 837, 927, 1953, 2163, 2511, 2781, 3193, 5859, 6489, 8343, 9579, 17577, 19467, 22351, 28737, 58401, 67053, 86211, 201159, 258633, 603477, 1810431]

約数ペア:

[(1, 1810431), (3, 603477), (7, 258633), (9, 201159), (21, 86211), (27, 67053), (31, 58401), (63, 28737), (81, 22351), (93, 19467), (103, 17577), (189, 9579), (217, 8343), (279, 6489), (309, 5859), (567, 3193), (651, 2781), (721, 2511), (837, 2163), (927, 1953)]