27990669

素因数分解:

$3^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1321}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 42727040

約数和(自身を除く): 14736371

約数列:

[1, 3, 7, 21, 1009, 1321, 3027, 3963, 7063, 9247, 21189, 27741, 1332889, 3998667, 9330223, 27990669]

約数ペア:

[(1, 27990669), (3, 9330223), (7, 3998667), (21, 1332889), (1009, 27741), (1321, 21189), (3027, 9247), (3963, 7063)]