201916897

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{6469}}^1$

素因数の和:6510

約数の個数: 20

約数和(自身を含む): 253714580

約数和(自身を除く): 51797683

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 6469, 31213, 45283, 84097, 316981, 588679, 2218867, 4120753, 15532069, 28845271, 201916897]

約数ペア:

[(1, 201916897), (7, 28845271), (13, 15532069), (49, 4120753), (91, 2218867), (343, 588679), (637, 316981), (2401, 84097), (4459, 45283), (6469, 31213)]