399645

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 707616

約数和(自身を除く): 307971

約数列:

[1, 3, 5, 9, 15, 45, 83, 107, 249, 321, 415, 535, 747, 963, 1245, 1605, 3735, 4815, 8881, 26643, 44405, 79929, 133215, 399645]

約数ペア:

[(1, 399645), (3, 133215), (5, 79929), (9, 44405), (15, 26643), (45, 8881), (83, 4815), (107, 3735), (249, 1605), (321, 1245), (415, 963), (535, 747)]