42720039

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4391}}^1$

素因数の和:4467

約数の個数: 24

約数和(自身を含む): 65774592

約数和(自身を除く): 23054553

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 4391, 9729, 13173, 39519, 100993, 206377, 302979, 619131, 908937, 1857393, 4746671, 14240013, 42720039]

約数ペア:

[(1, 42720039), (3, 14240013), (9, 4746671), (23, 1857393), (47, 908937), (69, 619131), (141, 302979), (207, 206377), (423, 100993), (1081, 39519), (3243, 13173), (4391, 9729)]