421728723

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{6247}}^1$

素因数の和:6843

約数の個数: 24

約数和(自身を含む): 657264608

約数和(自身を除く): 235535885

約数列:

[1, 3, 9, 13, 39, 117, 577, 1731, 5193, 6247, 7501, 18741, 22503, 56223, 67509, 81211, 243633, 730899, 3604519, 10813557, 32440671, 46858747, 140576241, 421728723]

約数ペア:

[(1, 421728723), (3, 140576241), (9, 46858747), (13, 32440671), (39, 10813557), (117, 3604519), (577, 730899), (1731, 243633), (5193, 81211), (6247, 67509), (7501, 56223), (18741, 22503)]