420080319

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{18427}}^1$

素因数の和:18599

約数の個数: 24

約数和(自身を含む): 646822800

約数和(自身を除く): 226742481

約数列:

[1, 3, 9, 17, 51, 149, 153, 447, 1341, 2533, 7599, 18427, 22797, 55281, 165843, 313259, 939777, 2745623, 2819331, 8236869, 24710607, 46675591, 140026773, 420080319]

約数ペア:

[(1, 420080319), (3, 140026773), (9, 46675591), (17, 24710607), (51, 8236869), (149, 2819331), (153, 2745623), (447, 939777), (1341, 313259), (2533, 165843), (7599, 55281), (18427, 22797)]