3990945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 7372800

約数和(自身を除く): 3381855

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191, 199, 573, 597, 955, 995, 1337, 1393, 2865, 2985, 4011, 4179, 6685, 6965, 20055, 20895, 38009, 114027, 190045, 266063, 570135, 798189, 1330315, 3990945]

約数ペア:

[(1, 3990945), (3, 1330315), (5, 798189), (7, 570135), (15, 266063), (21, 190045), (35, 114027), (105, 38009), (191, 20895), (199, 20055), (573, 6965), (597, 6685), (955, 4179), (995, 4011), (1337, 2985), (1393, 2865)]