1635471

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 20

約数和(自身を含む): 2490664

約数和(自身を除く): 855193

約数列:

[1, 3, 9, 27, 61, 81, 183, 331, 549, 993, 1647, 2979, 4941, 8937, 20191, 26811, 60573, 181719, 545157, 1635471]

約数ペア:

[(1, 1635471), (3, 545157), (9, 181719), (27, 60573), (61, 26811), (81, 20191), (183, 8937), (331, 4941), (549, 2979), (993, 1647)]