2646147

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 4202496

約数和(自身を除く): 1556349

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 383, 987, 1149, 2303, 2681, 6909, 8043, 18001, 18767, 54003, 56301, 126007, 378021, 882049, 2646147]

約数ペア:

[(1, 2646147), (3, 882049), (7, 378021), (21, 126007), (47, 56301), (49, 54003), (141, 18767), (147, 18001), (329, 8043), (383, 6909), (987, 2681), (1149, 2303)]