2145771

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 20

約数和(自身を含む): 3267000

約数和(自身を除く): 1121229

約数列:

[1, 3, 9, 27, 59, 81, 177, 449, 531, 1347, 1593, 4041, 4779, 12123, 26491, 36369, 79473, 238419, 715257, 2145771]

約数ペア:

[(1, 2145771), (3, 715257), (9, 238419), (27, 79473), (59, 36369), (81, 26491), (177, 12123), (449, 4779), (531, 4041), (1347, 1593)]