215156627

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 266872320

約数和(自身を除く): 51715693

約数列:

[1, 7, 19, 53, 131, 133, 233, 371, 917, 1007, 1631, 2489, 4427, 6943, 7049, 12349, 17423, 30523, 30989, 48601, 86443, 131917, 213661, 234631, 579937, 923419, 1617719, 1642417, 4059559, 11324033, 30736661, 215156627]

約数ペア:

[(1, 215156627), (7, 30736661), (19, 11324033), (53, 4059559), (131, 1642417), (133, 1617719), (233, 923419), (371, 579937), (917, 234631), (1007, 213661), (1631, 131917), (2489, 86443), (4427, 48601), (6943, 30989), (7049, 30523), (12349, 17423)]