16211997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 24897600

約数和(自身を除く): 8685603

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 839, 1017, 2147, 2517, 6441, 7551, 15941, 19323, 47823, 94807, 143469, 284421, 853263, 1801333, 5403999, 16211997]

約数ペア:

[(1, 16211997), (3, 5403999), (9, 1801333), (19, 853263), (57, 284421), (113, 143469), (171, 94807), (339, 47823), (839, 19323), (1017, 15941), (2147, 7551), (2517, 6441)]