28143717

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 45600000

約数和(自身を除く): 17456283

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 777, 1073, 1249, 3219, 3747, 7511, 8743, 22533, 26229, 36221, 46213, 108663, 138639, 253547, 323491, 760641, 970473, 1340177, 4020531, 9381239, 28143717]

約数ペア:

[(1, 28143717), (3, 9381239), (7, 4020531), (21, 1340177), (29, 970473), (37, 760641), (87, 323491), (111, 253547), (203, 138639), (259, 108663), (609, 46213), (777, 36221), (1073, 26229), (1249, 22533), (3219, 8743), (3747, 7511)]