2007121491

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{1218653}}^1$

素因数の和:1218723

約数の個数: 16

約数和(自身を含む): 3022261920

約数和(自身を除く): 1015140429

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 1218653, 3655959, 10967877, 32903631, 74337833, 223013499, 669040497, 2007121491]

約数ペア:

[(1, 2007121491), (3, 669040497), (9, 223013499), (27, 74337833), (61, 32903631), (183, 10967877), (549, 3655959), (1647, 1218653)]