3987561

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 5598720

約数和(自身を除く): 1611159

約数列:

[1, 3, 31, 53, 93, 159, 809, 1643, 2427, 4929, 25079, 42877, 75237, 128631, 1329187, 3987561]

約数ペア:

[(1, 3987561), (3, 1329187), (31, 128631), (53, 75237), (93, 42877), (159, 25079), (809, 4929), (1643, 2427)]