30378579

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18787}}^1$

素因数の和:18815

約数の個数: 24

約数和(自身を含む): 51403968

約数和(自身を除く): 21025389

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 18787, 56361, 131509, 206657, 394527, 619971, 920563, 1446599, 2761689, 4339797, 10126193, 30378579]

約数ペア:

[(1, 30378579), (3, 10126193), (7, 4339797), (11, 2761689), (21, 1446599), (33, 920563), (49, 619971), (77, 394527), (147, 206657), (231, 131509), (539, 56361), (1617, 18787)]