390053559

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{25409}}^1$

素因数の和:25479

約数の個数: 32

約数和(自身を含む): 643991040

約数和(自身を除く): 253937481

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 15351, 25409, 76227, 177863, 431953, 533589, 1092587, 1295859, 3023671, 3277761, 7648109, 9071013, 18573979, 22944327, 55721937, 130017853, 390053559]

約数ペア:

[(1, 390053559), (3, 130017853), (7, 55721937), (17, 22944327), (21, 18573979), (43, 9071013), (51, 7648109), (119, 3277761), (129, 3023671), (301, 1295859), (357, 1092587), (731, 533589), (903, 431953), (2193, 177863), (5117, 76227), (15351, 25409)]