209935533

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^2\times {\mathrm{167}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 300065472

約数和(自身を除く): 90129939

約数列:

[1, 3, 17, 51, 157, 167, 471, 501, 2669, 2839, 8007, 8517, 24649, 26219, 73947, 78657, 419033, 445723, 1257099, 1337169, 4116383, 12349149, 69978511, 209935533]

約数ペア:

[(1, 209935533), (3, 69978511), (17, 12349149), (51, 4116383), (157, 1337169), (167, 1257099), (471, 445723), (501, 419033), (2669, 78657), (2839, 73947), (8007, 26219), (8517, 24649)]