66649947

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{34877}}^1$

素因数の和:34907

約数の個数: 24

約数和(自身を含む): 111330576

約数和(自身を除く): 44680629

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 34877, 104631, 244139, 453401, 732417, 1360203, 1708973, 3173807, 5126919, 9521421, 22216649, 66649947]

約数ペア:

[(1, 66649947), (3, 22216649), (7, 9521421), (13, 5126919), (21, 3173807), (39, 1708973), (49, 1360203), (91, 732417), (147, 453401), (273, 244139), (637, 104631), (1911, 34877)]