651279

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 921600

約数和(自身を除く): 270321

約数列:

[1, 3, 31, 47, 93, 141, 149, 447, 1457, 4371, 4619, 7003, 13857, 21009, 217093, 651279]

約数ペア:

[(1, 651279), (3, 217093), (31, 21009), (47, 13857), (93, 7003), (141, 4619), (149, 4371), (447, 1457)]