208099857

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 322220800

約数和(自身を除く): 114120943

約数列:

[1, 3, 7, 21, 109, 229, 327, 397, 687, 763, 1191, 1603, 2289, 2779, 4809, 8337, 24961, 43273, 74883, 90913, 129819, 174727, 272739, 302911, 524181, 636391, 908733, 1909173, 9909517, 29728551, 69366619, 208099857]

約数ペア:

[(1, 208099857), (3, 69366619), (7, 29728551), (21, 9909517), (109, 1909173), (229, 908733), (327, 636391), (397, 524181), (687, 302911), (763, 272739), (1191, 174727), (1603, 129819), (2289, 90913), (2779, 74883), (4809, 43273), (8337, 24961)]