28663005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{272981}}^1$

素因数の和:272996

約数の個数: 16

約数和(自身を含む): 52412544

約数和(自身を除く): 23749539

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 272981, 818943, 1364905, 1910867, 4094715, 5732601, 9554335, 28663005]

約数ペア:

[(1, 28663005), (3, 9554335), (5, 5732601), (7, 4094715), (15, 1910867), (21, 1364905), (35, 818943), (105, 272981)]