205969713

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 290497536

約数和(自身を除く): 84527823

約数列:

[1, 3, 37, 53, 111, 157, 159, 223, 471, 669, 1961, 5809, 5883, 8251, 8321, 11819, 17427, 24753, 24963, 35011, 35457, 105033, 307877, 437303, 923631, 1295407, 1311909, 1855583, 3886221, 5566749, 68656571, 205969713]

約数ペア:

[(1, 205969713), (3, 68656571), (37, 5566749), (53, 3886221), (111, 1855583), (157, 1311909), (159, 1295407), (223, 923631), (471, 437303), (669, 307877), (1961, 105033), (5809, 35457), (5883, 35011), (8251, 24963), (8321, 24753), (11819, 17427)]