20135129

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 24000000

約数和(自身を除く): 3864871

約数列:

[1, 7, 47, 49, 329, 343, 1249, 2303, 8743, 16121, 58703, 61201, 410921, 428407, 2876447, 20135129]

約数ペア:

[(1, 20135129), (7, 2876447), (47, 428407), (49, 410921), (329, 61201), (343, 58703), (1249, 16121), (2303, 8743)]