201231289

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 240071688

約数和(自身を除く): 38840399

約数列:

[1, 7, 49, 73, 101, 511, 557, 707, 3577, 3899, 4949, 7373, 27293, 40661, 51611, 56257, 284627, 361277, 393799, 1992389, 2756593, 4106761, 28747327, 201231289]

約数ペア:

[(1, 201231289), (7, 28747327), (49, 4106761), (73, 2756593), (101, 1992389), (511, 393799), (557, 361277), (707, 284627), (3577, 56257), (3899, 51611), (4949, 40661), (7373, 27293)]