420044517

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{19751}}^1$

素因数の和:19913

約数の個数: 24

約数和(自身を含む): 647075520

約数和(自身を除く): 227031003

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 1251, 2363, 7089, 19751, 21267, 59253, 177759, 335767, 1007301, 2745389, 3021903, 8236167, 24708501, 46671613, 140014839, 420044517]

約数ペア:

[(1, 420044517), (3, 140014839), (9, 46671613), (17, 24708501), (51, 8236167), (139, 3021903), (153, 2745389), (417, 1007301), (1251, 335767), (2363, 177759), (7089, 59253), (19751, 21267)]