30388281

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18793}}^1$

素因数の和:18821

約数の個数: 24

約数和(自身を含む): 51420384

約数和(自身を除く): 21032103

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 18793, 56379, 131551, 206723, 394653, 620169, 920857, 1447061, 2762571, 4341183, 10129427, 30388281]

約数ペア:

[(1, 30388281), (3, 10129427), (7, 4341183), (11, 2762571), (21, 1447061), (33, 920857), (49, 620169), (77, 394653), (147, 206723), (231, 131551), (539, 56379), (1617, 18793)]