1408909749

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{840137}}^1$

素因数の和:840196

約数の個数: 16

約数和(自身を含む): 2070100032

約数和(自身を除く): 661190283

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 840137, 2520411, 10921781, 32765343, 36125891, 108377673, 469636583, 1408909749]

約数ペア:

[(1, 1408909749), (3, 469636583), (13, 108377673), (39, 36125891), (43, 32765343), (129, 10921781), (559, 2520411), (1677, 840137)]