211516923

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 299439360

約数和(自身を除く): 87922437

約数列:

[1, 3, 29, 67, 87, 131, 201, 277, 393, 831, 1943, 3799, 5829, 8033, 8777, 11397, 18559, 24099, 26331, 36287, 55677, 108861, 254533, 538211, 763599, 1052323, 1614633, 2431229, 3156969, 7293687, 70505641, 211516923]

約数ペア:

[(1, 211516923), (3, 70505641), (29, 7293687), (67, 3156969), (87, 2431229), (131, 1614633), (201, 1052323), (277, 763599), (393, 538211), (831, 254533), (1943, 108861), (3799, 55677), (5829, 36287), (8033, 26331), (8777, 24099), (11397, 18559)]