219680721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{625871}}^1$

素因数の和:625893

約数の個数: 16

約数和(自身を含む): 350488320

約数和(自身を除く): 130807599

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 625871, 1877613, 5632839, 8136323, 16898517, 24408969, 73226907, 219680721]

約数ペア:

[(1, 219680721), (3, 73226907), (9, 24408969), (13, 16898517), (27, 8136323), (39, 5632839), (117, 1877613), (351, 625871)]