2225979

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 3725280

約数和(自身を除く): 1499301

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 397, 623, 801, 1191, 1869, 2779, 3573, 5607, 8337, 25011, 35333, 105999, 247331, 317997, 741993, 2225979]

約数ペア:

[(1, 2225979), (3, 741993), (7, 317997), (9, 247331), (21, 105999), (63, 35333), (89, 25011), (267, 8337), (397, 5607), (623, 3573), (801, 2779), (1191, 1869)]