207936057

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{74449}}^1$

素因数の和:74485

約数の個数: 24

約数和(自身を含む): 339492000

約数和(自身を除く): 131555943

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 74449, 223347, 521143, 1414531, 1563429, 3648001, 4243593, 9901717, 10944003, 29705151, 69312019, 207936057]

約数ペア:

[(1, 207936057), (3, 69312019), (7, 29705151), (19, 10944003), (21, 9901717), (49, 4243593), (57, 3648001), (133, 1563429), (147, 1414531), (399, 521143), (931, 223347), (2793, 74449)]