4047687

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 6829056

約数和(自身を除く): 2781369

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 1367, 2961, 4101, 9569, 12303, 28707, 64249, 86121, 192747, 449743, 578241, 1349229, 4047687]

約数ペア:

[(1, 4047687), (3, 1349229), (7, 578241), (9, 449743), (21, 192747), (47, 86121), (63, 64249), (141, 28707), (329, 12303), (423, 9569), (987, 4101), (1367, 2961)]