891027

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:611

約数の個数: 16

約数和(自身を含む): 1344160

約数和(自身を除く): 453133

約数列:

[1, 3, 9, 27, 61, 183, 541, 549, 1623, 1647, 4869, 14607, 33001, 99003, 297009, 891027]

約数ペア:

[(1, 891027), (3, 297009), (9, 99003), (27, 33001), (61, 14607), (183, 4869), (541, 1647), (549, 1623)]