19910025

素因数分解:

$3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:950

約数の個数: 36

約数和(自身を含む): 36037872

約数和(自身を除く): 16127847

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 225, 321, 535, 827, 963, 1605, 2481, 2675, 4135, 4815, 7443, 8025, 12405, 20675, 24075, 37215, 62025, 88489, 186075, 265467, 442445, 796401, 1327335, 2212225, 3982005, 6636675, 19910025]

約数ペア:

[(1, 19910025), (3, 6636675), (5, 3982005), (9, 2212225), (15, 1327335), (25, 796401), (45, 442445), (75, 265467), (107, 186075), (225, 88489), (321, 62025), (535, 37215), (827, 24075), (963, 20675), (1605, 12405), (2481, 8025), (2675, 7443), (4135, 4815)]