68990481

素因数分解:

$3^3\times 7^2\times {\mathrm{52147}}^1$

素因数の和:52170

約数の個数: 24

約数和(自身を含む): 118897440

約数和(自身を除く): 49906959

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 52147, 156441, 365029, 469323, 1095087, 1407969, 2555203, 3285261, 7665609, 9855783, 22996827, 68990481]

約数ペア:

[(1, 68990481), (3, 22996827), (7, 9855783), (9, 7665609), (21, 3285261), (27, 2555203), (49, 1407969), (63, 1095087), (147, 469323), (189, 365029), (441, 156441), (1323, 52147)]