31214421

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1970

約数の個数: 36

約数和(自身を含む): 53894412

約数和(自身を除く): 22679991

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 1913, 2331, 5439, 5739, 13391, 16317, 17217, 40173, 70781, 93737, 120519, 212343, 281211, 495467, 637029, 843633, 1486401, 3468269, 4459203, 10404807, 31214421]

約数ペア:

[(1, 31214421), (3, 10404807), (7, 4459203), (9, 3468269), (21, 1486401), (37, 843633), (49, 637029), (63, 495467), (111, 281211), (147, 212343), (259, 120519), (333, 93737), (441, 70781), (777, 40173), (1813, 17217), (1913, 16317), (2331, 13391), (5439, 5739)]