426993987

素因数分解:

$3^1\times 7^2\times {\mathrm{1657}}^1\times {\mathrm{1753}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 663054096

約数和(自身を除く): 236060109

約数列:

[1, 3, 7, 21, 49, 147, 1657, 1753, 4971, 5259, 11599, 12271, 34797, 36813, 81193, 85897, 243579, 257691, 2904721, 8714163, 20333047, 60999141, 142331329, 426993987]

約数ペア:

[(1, 426993987), (3, 142331329), (7, 60999141), (21, 20333047), (49, 8714163), (147, 2904721), (1657, 257691), (1753, 243579), (4971, 85897), (5259, 81193), (11599, 36813), (12271, 34797)]