209946651

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{2351}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 300378624

約数和(自身を除く): 90431973

約数列:

[1, 3, 17, 51, 103, 289, 309, 867, 1751, 2351, 5253, 7053, 29767, 39967, 89301, 119901, 242153, 679439, 726459, 2038317, 4116601, 12349803, 69982217, 209946651]

約数ペア:

[(1, 209946651), (3, 69982217), (17, 12349803), (51, 4116601), (103, 2038317), (289, 726459), (309, 679439), (867, 242153), (1751, 119901), (2351, 89301), (5253, 39967), (7053, 29767)]