221337219

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 312160576

約数和(自身を除く): 90823357

約数列:

[1, 3, 37, 61, 97, 111, 183, 291, 337, 1011, 2257, 3589, 5917, 6771, 10767, 12469, 17751, 20557, 32689, 37407, 61671, 98067, 218929, 656787, 760609, 1209493, 1994029, 2281827, 3628479, 5982087, 73779073, 221337219]

約数ペア:

[(1, 221337219), (3, 73779073), (37, 5982087), (61, 3628479), (97, 2281827), (111, 1994029), (183, 1209493), (291, 760609), (337, 656787), (1011, 218929), (2257, 98067), (3589, 61671), (5917, 37407), (6771, 32689), (10767, 20557), (12469, 17751)]