221736207

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8971}}^1$

素因数の和:9099

約数の個数: 32

約数和(自身を含む): 372086784

約数和(自身を除く): 150350577

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 1177, 2247, 3531, 8239, 8971, 24717, 26913, 62797, 98681, 188391, 296043, 690767, 959897, 2072301, 2879691, 6719279, 10558867, 20157837, 31676601, 73912069, 221736207]

約数ペア:

[(1, 221736207), (3, 73912069), (7, 31676601), (11, 20157837), (21, 10558867), (33, 6719279), (77, 2879691), (107, 2072301), (231, 959897), (321, 690767), (749, 296043), (1177, 188391), (2247, 98681), (3531, 62797), (8239, 26913), (8971, 24717)]