199927557

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{7001}}^1$

素因数の和:7193

約数の個数: 24

約数和(自身を含む): 305847360

約数和(自身を除く): 105919803

約数列:

[1, 3, 9, 19, 57, 167, 171, 501, 1503, 3173, 7001, 9519, 21003, 28557, 63009, 133019, 399057, 1169167, 1197171, 3507501, 10522503, 22214173, 66642519, 199927557]

約数ペア:

[(1, 199927557), (3, 66642519), (9, 22214173), (19, 10522503), (57, 3507501), (167, 1197171), (171, 1169167), (501, 399057), (1503, 133019), (3173, 63009), (7001, 28557), (9519, 21003)]