686312121

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{43969}}^1$

素因数の和:44037

約数の個数: 24

約数和(自身を含む): 1029249760

約数和(自身を除く): 342937639

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1419, 5203, 15609, 43969, 131907, 483659, 1450977, 1890667, 5320249, 5672001, 15960747, 20797337, 62392011, 228770707, 686312121]

約数ペア:

[(1, 686312121), (3, 228770707), (11, 62392011), (33, 20797337), (43, 15960747), (121, 5672001), (129, 5320249), (363, 1890667), (473, 1450977), (1419, 483659), (5203, 131907), (15609, 43969)]