239776551

素因数分解:

$3^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 438912000

約数和(自身を除く): 199135449

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 343, 357, 441, 459, 833, 1029, 1071, 1323, 1523, 2499, 3087, 3213, 4569, 5831, 7497, 9261, 10661, 13707, 17493, 22491, 25891, 31983, 41121, 52479, 74627, 77673, 95949, 157437, 181237, 223881, 233019, 287847, 522389, 543711, 671643, 699057, 1268659, 1567167, 1631133, 2014929, 3805977, 4701501, 4893399, 8880613, 11417931, 14104503, 26641839, 34253793, 79925517, 239776551]

約数ペア:

[(1, 239776551), (3, 79925517), (7, 34253793), (9, 26641839), (17, 14104503), (21, 11417931), (27, 8880613), (49, 4893399), (51, 4701501), (63, 3805977), (119, 2014929), (147, 1631133), (153, 1567167), (189, 1268659), (343, 699057), (357, 671643), (441, 543711), (459, 522389), (833, 287847), (1029, 233019), (1071, 223881), (1323, 181237), (1523, 157437), (2499, 95949), (3087, 77673), (3213, 74627), (4569, 52479), (5831, 41121), (7497, 31983), (9261, 25891), (10661, 22491), (13707, 17493)]