242350407

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18661}}^1$

素因数の和:18720

約数の個数: 32

約数和(自身を含む): 397127360

約数和(自身を除く): 154776953

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 18661, 55983, 167949, 242593, 503847, 690457, 727779, 2071371, 2183337, 6214113, 6550011, 8975941, 18642339, 26927823, 80783469, 242350407]

約数ペア:

[(1, 242350407), (3, 80783469), (9, 26927823), (13, 18642339), (27, 8975941), (37, 6550011), (39, 6214113), (111, 2183337), (117, 2071371), (333, 727779), (351, 690457), (481, 503847), (999, 242593), (1443, 167949), (4329, 55983), (12987, 18661)]