65421909

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1361}}^1$

素因数の和:1490

約数の個数: 36

約数和(自身を含む): 111016620

約数和(自身を除く): 45594711

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 441, 763, 981, 1361, 2289, 4083, 5341, 6867, 9527, 12249, 16023, 28581, 48069, 66689, 85743, 148349, 200067, 445047, 600201, 1038443, 1335141, 3115329, 7269101, 9345987, 21807303, 65421909]

約数ペア:

[(1, 65421909), (3, 21807303), (7, 9345987), (9, 7269101), (21, 3115329), (49, 1335141), (63, 1038443), (109, 600201), (147, 445047), (327, 200067), (441, 148349), (763, 85743), (981, 66689), (1361, 48069), (2289, 28581), (4083, 16023), (5341, 12249), (6867, 9527)]