81630991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 97675200

約数和(自身を除く): 16044209

約数列:

[1, 13, 17, 37, 67, 149, 221, 481, 629, 871, 1139, 1937, 2479, 2533, 5513, 8177, 9983, 14807, 32227, 32929, 42143, 71669, 93721, 129779, 169711, 369371, 547859, 1218373, 2206243, 4801823, 6279307, 81630991]

約数ペア:

[(1, 81630991), (13, 6279307), (17, 4801823), (37, 2206243), (67, 1218373), (149, 547859), (221, 369371), (481, 169711), (629, 129779), (871, 93721), (1139, 71669), (1937, 42143), (2479, 32929), (2533, 32227), (5513, 14807), (8177, 9983)]