20140407

素因数分解:

$3^4\times 7^1\times {\mathrm{35521}}^1$

素因数の和:35540

約数の個数: 20

約数和(自身を含む): 34385296

約数和(自身を除く): 14244889

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35521, 106563, 248647, 319689, 745941, 959067, 2237823, 2877201, 6713469, 20140407]

約数ペア:

[(1, 20140407), (3, 6713469), (7, 2877201), (9, 2237823), (21, 959067), (27, 745941), (63, 319689), (81, 248647), (189, 106563), (567, 35521)]