7801983

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2099}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 13104000

約数和(自身を除く): 5302017

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 2099, 3717, 6297, 14693, 18891, 44079, 123841, 132237, 371523, 866887, 1114569, 2600661, 7801983]

約数ペア:

[(1, 7801983), (3, 2600661), (7, 1114569), (9, 866887), (21, 371523), (59, 132237), (63, 123841), (177, 44079), (413, 18891), (531, 14693), (1239, 6297), (2099, 3717)]