80783469

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18661}}^1$

素因数の和:18717

約数の個数: 24

約数和(自身を含む): 129066392

約数和(自身を除く): 48282923

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 18661, 55983, 167949, 242593, 690457, 727779, 2071371, 2183337, 6214113, 8975941, 26927823, 80783469]

約数ペア:

[(1, 80783469), (3, 26927823), (9, 8975941), (13, 6214113), (37, 2183337), (39, 2071371), (111, 727779), (117, 690457), (333, 242593), (481, 167949), (1443, 55983), (4329, 18661)]