205125350409

素因数分解:

$3^2\times 7^2\times {\mathrm{523}}^1\times {\mathrm{889363}}^1$

素因数の和:889906

約数の個数: 36

約数和(自身を含む): 345325811376

約数和(自身を除く): 140200460967

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 523, 1569, 3661, 4707, 10983, 25627, 32949, 76881, 230643, 889363, 2668089, 6225541, 8004267, 18676623, 43578787, 56029869, 130736361, 392209083, 465136849, 1395410547, 3255957943, 4186231641, 9767873829, 22791705601, 29303621487, 68375116803, 205125350409]

約数ペア:

[(1, 205125350409), (3, 68375116803), (7, 29303621487), (9, 22791705601), (21, 9767873829), (49, 4186231641), (63, 3255957943), (147, 1395410547), (441, 465136849), (523, 392209083), (1569, 130736361), (3661, 56029869), (4707, 43578787), (10983, 18676623), (25627, 8004267), (32949, 6225541), (76881, 2668089), (230643, 889363)]