1280055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 2386944

約数和(自身を除く): 1106889

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 167, 219, 365, 501, 511, 835, 1095, 1169, 1533, 2505, 2555, 3507, 5845, 7665, 12191, 17535, 36573, 60955, 85337, 182865, 256011, 426685, 1280055]

約数ペア:

[(1, 1280055), (3, 426685), (5, 256011), (7, 182865), (15, 85337), (21, 60955), (35, 36573), (73, 17535), (105, 12191), (167, 7665), (219, 5845), (365, 3507), (501, 2555), (511, 2505), (835, 1533), (1095, 1169)]