251217993

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29147}}^1$

素因数の和:29193

約数の個数: 24

約数和(自身を含む): 384054048

約数和(自身を除く): 132836055

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 2873, 8619, 29147, 87441, 378911, 495499, 1136733, 1486497, 4925843, 6441487, 14777529, 19324461, 83739331, 251217993]

約数ペア:

[(1, 251217993), (3, 83739331), (13, 19324461), (17, 14777529), (39, 6441487), (51, 4925843), (169, 1486497), (221, 1136733), (507, 495499), (663, 378911), (2873, 87441), (8619, 29147)]