201219777

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 331531200

約数和(自身を除く): 130311423

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 109, 261, 319, 327, 643, 957, 981, 1199, 1929, 2871, 3161, 3597, 5787, 7073, 9483, 10791, 18647, 21219, 28449, 34771, 55941, 63657, 70087, 104313, 167823, 205117, 210261, 312939, 615351, 630783, 770957, 1846053, 2032523, 2312871, 6097569, 6938613, 18292707, 22357753, 67073259, 201219777]

約数ペア:

[(1, 201219777), (3, 67073259), (9, 22357753), (11, 18292707), (29, 6938613), (33, 6097569), (87, 2312871), (99, 2032523), (109, 1846053), (261, 770957), (319, 630783), (327, 615351), (643, 312939), (957, 210261), (981, 205117), (1199, 167823), (1929, 104313), (2871, 70087), (3161, 63657), (3597, 55941), (5787, 34771), (7073, 28449), (9483, 21219), (10791, 18647)]