27828815

素因数分解:

$5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 39280752

約数和(自身を除く): 11451937

約数列:

[1, 5, 7, 35, 49, 97, 245, 485, 679, 1171, 3395, 4753, 5855, 8197, 23765, 40985, 57379, 113587, 286895, 567935, 795109, 3975545, 5565763, 27828815]

約数ペア:

[(1, 27828815), (5, 5565763), (7, 3975545), (35, 795109), (49, 567935), (97, 286895), (245, 113587), (485, 57379), (679, 40985), (1171, 23765), (3395, 8197), (4753, 5855)]