395678157

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 609767424

約数和(自身を除く): 214089267

約数列:

[1, 3, 7, 21, 251, 271, 277, 753, 813, 831, 1757, 1897, 1939, 5271, 5691, 5817, 68021, 69527, 75067, 204063, 208581, 225201, 476147, 486689, 525469, 1428441, 1460067, 1576407, 18841817, 56525451, 131892719, 395678157]

約数ペア:

[(1, 395678157), (3, 131892719), (7, 56525451), (21, 18841817), (251, 1576407), (271, 1460067), (277, 1428441), (753, 525469), (813, 486689), (831, 476147), (1757, 225201), (1897, 208581), (1939, 204063), (5271, 75067), (5691, 69527), (5817, 68021)]