18648567

素因数分解:

$3^2\times 7^4\times {\mathrm{863}}^1$

素因数の和:897

約数の個数: 30

約数和(自身を含む): 31460832

約数和(自身を除く): 12812265

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 863, 1029, 2401, 2589, 3087, 6041, 7203, 7767, 18123, 21609, 42287, 54369, 126861, 296009, 380583, 888027, 2072063, 2664081, 6216189, 18648567]

約数ペア:

[(1, 18648567), (3, 6216189), (7, 2664081), (9, 2072063), (21, 888027), (49, 380583), (63, 296009), (147, 126861), (343, 54369), (441, 42287), (863, 21609), (1029, 18123), (2401, 7767), (2589, 7203), (3087, 6041)]