16391205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1009}}^1$

素因数の和:1058

約数の個数: 36

約数和(自身を含む): 30015180

約数和(自身を除く): 13623975

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1009, 1083, 1805, 3027, 3249, 5045, 5415, 9081, 15135, 16245, 19171, 45405, 57513, 95855, 172539, 287565, 364249, 862695, 1092747, 1821245, 3278241, 5463735, 16391205]

約数ペア:

[(1, 16391205), (3, 5463735), (5, 3278241), (9, 1821245), (15, 1092747), (19, 862695), (45, 364249), (57, 287565), (95, 172539), (171, 95855), (285, 57513), (361, 45405), (855, 19171), (1009, 16245), (1083, 15135), (1805, 9081), (3027, 5415), (3249, 5045)]