253103427

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6949}}^1$

素因数の和:7048

約数の個数: 32

約数和(自身を含む): 400320000

約数和(自身を除く): 147216573

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 513, 639, 1349, 1917, 4047, 6949, 12141, 20847, 36423, 62541, 132031, 187623, 396093, 493379, 1188279, 1480137, 3564837, 4440411, 9374201, 13321233, 28122603, 84367809, 253103427]

約数ペア:

[(1, 253103427), (3, 84367809), (9, 28122603), (19, 13321233), (27, 9374201), (57, 4440411), (71, 3564837), (171, 1480137), (213, 1188279), (513, 493379), (639, 396093), (1349, 187623), (1917, 132031), (4047, 62541), (6949, 36423), (12141, 20847)]