33978609

素因数分解:

$3^4\times 7^3\times {\mathrm{1223}}^1$

素因数の和:1256

約数の個数: 40

約数和(自身を含む): 59241600

約数和(自身を除く): 25262991

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1223, 1323, 3087, 3669, 3969, 8561, 9261, 11007, 25683, 27783, 33021, 59927, 77049, 99063, 179781, 231147, 419489, 539343, 693441, 1258467, 1618029, 3775401, 4854087, 11326203, 33978609]

約数ペア:

[(1, 33978609), (3, 11326203), (7, 4854087), (9, 3775401), (21, 1618029), (27, 1258467), (49, 693441), (63, 539343), (81, 419489), (147, 231147), (189, 179781), (343, 99063), (441, 77049), (567, 59927), (1029, 33021), (1223, 27783), (1323, 25683), (3087, 11007), (3669, 9261), (3969, 8561)]