28945257

素因数分解:

$3^1\times {\mathrm{11}}^4\times {\mathrm{659}}^1$

素因数の和:706

約数の個数: 20

約数和(自身を含む): 42517200

約数和(自身を除く): 13571943

約数列:

[1, 3, 11, 33, 121, 363, 659, 1331, 1977, 3993, 7249, 14641, 21747, 43923, 79739, 239217, 877129, 2631387, 9648419, 28945257]

約数ペア:

[(1, 28945257), (3, 9648419), (11, 2631387), (33, 877129), (121, 239217), (363, 79739), (659, 43923), (1331, 21747), (1977, 14641), (3993, 7249)]