4029921

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 6799104

約数和(自身を除く): 2769183

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 1361, 2961, 4083, 9527, 12249, 28581, 63967, 85743, 191901, 447769, 575703, 1343307, 4029921]

約数ペア:

[(1, 4029921), (3, 1343307), (7, 575703), (9, 447769), (21, 191901), (47, 85743), (63, 63967), (141, 28581), (329, 12249), (423, 9527), (987, 4083), (1361, 2961)]