51506991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7829}}^1$

素因数の和:7895

約数の個数: 24

約数和(自身を含む): 80617680

約数和(自身を除く): 29110689

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 7829, 23487, 70461, 133093, 336647, 399279, 1009941, 1197837, 3029823, 5722999, 17168997, 51506991]

約数ペア:

[(1, 51506991), (3, 17168997), (9, 5722999), (17, 3029823), (43, 1197837), (51, 1009941), (129, 399279), (153, 336647), (387, 133093), (731, 70461), (2193, 23487), (6579, 7829)]