66620421

素因数分解:

$3^3\times 7^1\times {\mathrm{352489}}^1$

素因数の和:352505

約数の個数: 16

約数和(自身を含む): 112796800

約数和(自身を除く): 46176379

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 352489, 1057467, 2467423, 3172401, 7402269, 9517203, 22206807, 66620421]

約数ペア:

[(1, 66620421), (3, 22206807), (7, 9517203), (9, 7402269), (21, 3172401), (27, 2467423), (63, 1057467), (189, 352489)]