131307253

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{74143}}^1$

素因数の和:74184

約数の個数: 16

約数和(自身を含む): 170827776

約数和(自身を除く): 39520523

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 74143, 519001, 815573, 1705289, 5709011, 11937023, 18758179, 131307253]

約数ペア:

[(1, 131307253), (7, 18758179), (11, 11937023), (23, 5709011), (77, 1705289), (161, 815573), (253, 519001), (1771, 74143)]