210901999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{51679}}^1$

素因数の和:51750

約数の個数: 16

約数和(自身を含む): 267909120

約数和(自身を除く): 57007121

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 51679, 361753, 568469, 2738987, 3979283, 19172909, 30128857, 210901999]

約数ペア:

[(1, 210901999), (7, 30128857), (11, 19172909), (53, 3979283), (77, 2738987), (371, 568469), (583, 361753), (4081, 51679)]