30205707

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3877}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 47745936

約数和(自身を除く): 17540229

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 3877, 7791, 11631, 27139, 81417, 189973, 205481, 569919, 616443, 1438367, 4315101, 10068569, 30205707]

約数ペア:

[(1, 30205707), (3, 10068569), (7, 4315101), (21, 1438367), (49, 616443), (53, 569919), (147, 205481), (159, 189973), (371, 81417), (1113, 27139), (2597, 11631), (3877, 7791)]