61021611

素因数分解:

$3^2\times 7^2\times {\mathrm{138371}}^1$

素因数の和:138391

約数の個数: 18

約数和(自身を含む): 102533652

約数和(自身を除く): 41512041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 138371, 415113, 968597, 1245339, 2905791, 6780179, 8717373, 20340537, 61021611]

約数ペア:

[(1, 61021611), (3, 20340537), (7, 8717373), (9, 6780179), (21, 2905791), (49, 1245339), (63, 968597), (147, 415113), (441, 138371)]