2145885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 3981312

約数和(自身を除く): 1835427

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 191, 321, 535, 573, 749, 955, 1337, 1605, 2247, 2865, 3745, 4011, 6685, 11235, 20055, 20437, 61311, 102185, 143059, 306555, 429177, 715295, 2145885]

約数ペア:

[(1, 2145885), (3, 715295), (5, 429177), (7, 306555), (15, 143059), (21, 102185), (35, 61311), (105, 20437), (107, 20055), (191, 11235), (321, 6685), (535, 4011), (573, 3745), (749, 2865), (955, 2247), (1337, 1605)]