308353983

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{5641}}^1$

素因数の和:5807

約数の個数: 32

約数和(自身を含む): 498301440

約数和(自身を除く): 189947457

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 399, 411, 959, 2603, 2877, 5641, 7809, 16923, 18221, 39487, 54663, 107179, 118461, 321537, 750253, 772817, 2250759, 2318451, 5409719, 14683523, 16229157, 44050569, 102784661, 308353983]

約数ペア:

[(1, 308353983), (3, 102784661), (7, 44050569), (19, 16229157), (21, 14683523), (57, 5409719), (133, 2318451), (137, 2250759), (399, 772817), (411, 750253), (959, 321537), (2603, 118461), (2877, 107179), (5641, 54663), (7809, 39487), (16923, 18221)]