13156957947

素因数分解:

$3^1\times 7^1\times {\mathrm{2861}}^1\times {\mathrm{218987}}^1$

素因数の和:221858

約数の個数: 16

約数和(自身を含む): 20055796992

約数和(自身を除く): 6898839045

約数列:

[1, 3, 7, 21, 2861, 8583, 20027, 60081, 218987, 656961, 1532909, 4598727, 626521807, 1879565421, 4385652649, 13156957947]

約数ペア:

[(1, 13156957947), (3, 4385652649), (7, 1879565421), (21, 626521807), (2861, 4598727), (8583, 1532909), (20027, 656961), (60081, 218987)]