406647521289

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{18525239}}^1$

素因数の和:18525522

約数の個数: 20

約数和(自身を含む): 609702698880

約数和(自身を除く): 203055177591

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 21951, 18525239, 55575717, 166727151, 500181453, 1500544359, 5020339769, 15061019307, 45183057921, 135549173763, 406647521289]

約数ペア:

[(1, 406647521289), (3, 135549173763), (9, 45183057921), (27, 15061019307), (81, 5020339769), (271, 1500544359), (813, 500181453), (2439, 166727151), (7317, 55575717), (21951, 18525239)]