420273217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{243073}}^1$

素因数の和:243112

約数の個数: 16

約数和(自身を含む): 544485760

約数和(自身を除く): 124212543

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 243073, 1701511, 3159949, 4618387, 22119643, 32328709, 60039031, 420273217]

約数ペア:

[(1, 420273217), (7, 60039031), (13, 32328709), (19, 22119643), (91, 4618387), (133, 3159949), (247, 1701511), (1729, 243073)]