71874789

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1103}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 114462720

約数和(自身を除く): 42587931

約数列:

[1, 3, 7, 21, 29, 87, 107, 203, 321, 609, 749, 1103, 2247, 3103, 3309, 7721, 9309, 21721, 23163, 31987, 65163, 95961, 118021, 223909, 354063, 671727, 826147, 2478441, 3422609, 10267827, 23958263, 71874789]

約数ペア:

[(1, 71874789), (3, 23958263), (7, 10267827), (21, 3422609), (29, 2478441), (87, 826147), (107, 671727), (203, 354063), (321, 223909), (609, 118021), (749, 95961), (1103, 65163), (2247, 31987), (3103, 23163), (3309, 21721), (7721, 9309)]