717915393

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{681781}}^1$

素因数の和:681806

約数の個数: 20

約数和(自身を含む): 1154938708

約数和(自身を除く): 437023315

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 681781, 2045343, 6136029, 8863153, 18408087, 26589459, 55224261, 79768377, 239305131, 717915393]

約数ペア:

[(1, 717915393), (3, 239305131), (9, 79768377), (13, 55224261), (27, 26589459), (39, 18408087), (81, 8863153), (117, 6136029), (351, 2045343), (1053, 681781)]