201871621

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{25589}}^1$

素因数の和:25633

約数の個数: 16

約数和(自身を含む): 245664000

約数和(自身を除く): 43792379

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 25589, 179123, 588547, 1253861, 4119829, 8777027, 28838803, 201871621]

約数ペア:

[(1, 201871621), (7, 28838803), (23, 8777027), (49, 4119829), (161, 1253861), (343, 588547), (1127, 179123), (7889, 25589)]