71917785

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17957}}^1$

素因数の和:18057

約数の個数: 24

約数和(自身を含む): 126065160

約数和(自身を除く): 54147375

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 17957, 53871, 89785, 161613, 269355, 808065, 1598173, 4794519, 7990865, 14383557, 23972595, 71917785]

約数ペア:

[(1, 71917785), (3, 23972595), (5, 14383557), (9, 7990865), (15, 4794519), (45, 1598173), (89, 808065), (267, 269355), (445, 161613), (801, 89785), (1335, 53871), (4005, 17957)]