54278274999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3305821}}^1$

素因数の和:3306258

約数の個数: 16

約数和(自身を含む): 78123185504

約数和(自身を除く): 23844910505

約数列:

[1, 3, 13, 39, 421, 1263, 5473, 16419, 3305821, 9917463, 42975673, 128927019, 1391750641, 4175251923, 18092758333, 54278274999]

約数ペア:

[(1, 54278274999), (3, 18092758333), (13, 4175251923), (39, 1391750641), (421, 128927019), (1263, 42975673), (5473, 9917463), (16419, 3305821)]