191985213

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{307}}^2$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 296530752

約数和(自身を除く): 104545539

約数列:

[1, 3, 7, 21, 97, 291, 307, 679, 921, 2037, 2149, 6447, 29779, 89337, 94249, 208453, 282747, 625359, 659743, 1979229, 9142153, 27426459, 63995071, 191985213]

約数ペア:

[(1, 191985213), (3, 63995071), (7, 27426459), (21, 9142153), (97, 1979229), (291, 659743), (307, 625359), (679, 282747), (921, 208453), (2037, 94249), (2149, 89337), (6447, 29779)]