18004065

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2851}}^1$

素因数の和:3280

約数の個数: 16

約数和(自身を含む): 28885056

約数和(自身を除く): 10880991

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 2851, 6315, 8553, 14255, 42765, 1200271, 3600813, 6001355, 18004065]

約数ペア:

[(1, 18004065), (3, 6001355), (5, 3600813), (15, 1200271), (421, 42765), (1263, 14255), (2105, 8553), (2851, 6315)]