15957640321

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{172219}}^1$

素因数の和:172325

約数の個数: 24

約数和(自身を含む): 19476015360

約数和(自身を除く): 3518375039

約数列:

[1, 7, 31, 49, 61, 217, 427, 1519, 1891, 2989, 13237, 92659, 172219, 1205533, 5338789, 8438731, 10505359, 37371523, 73537513, 261600661, 325666129, 514762591, 2279662903, 15957640321]

約数ペア:

[(1, 15957640321), (7, 2279662903), (31, 514762591), (49, 325666129), (61, 261600661), (217, 73537513), (427, 37371523), (1519, 10505359), (1891, 8438731), (2989, 5338789), (13237, 1205533), (92659, 172219)]