131100151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 166053888

約数和(自身を除く): 34953737

約数列:

[1, 7, 13, 71, 91, 103, 197, 497, 721, 923, 1339, 1379, 2561, 6461, 7313, 9373, 13987, 17927, 20291, 51191, 95069, 97909, 142037, 181831, 263783, 665483, 1272817, 1440661, 1846481, 10084627, 18728593, 131100151]

約数ペア:

[(1, 131100151), (7, 18728593), (13, 10084627), (71, 1846481), (91, 1440661), (103, 1272817), (197, 665483), (497, 263783), (721, 181831), (923, 142037), (1339, 97909), (1379, 95069), (2561, 51191), (6461, 20291), (7313, 17927), (9373, 13987)]