26920845

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 56286360

約数和(自身を除く): 29365515

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 421, 435, 441, 609, 735, 1015, 1263, 1305, 1421, 1827, 2105, 2205, 2947, 3045, 3789, 4263, 6315, 7105, 8841, 9135, 12209, 12789, 14735, 18945, 20629, 21315, 26523, 36627, 44205, 61045, 61887, 63945, 85463, 103145, 109881, 132615, 183135, 185661, 256389, 309435, 427315, 549405, 598241, 769167, 928305, 1281945, 1794723, 2991205, 3845835, 5384169, 8973615, 26920845]

約数ペア:

[(1, 26920845), (3, 8973615), (5, 5384169), (7, 3845835), (9, 2991205), (15, 1794723), (21, 1281945), (29, 928305), (35, 769167), (45, 598241), (49, 549405), (63, 427315), (87, 309435), (105, 256389), (145, 185661), (147, 183135), (203, 132615), (245, 109881), (261, 103145), (315, 85463), (421, 63945), (435, 61887), (441, 61045), (609, 44205), (735, 36627), (1015, 26523), (1263, 21315), (1305, 20629), (1421, 18945), (1827, 14735), (2105, 12789), (2205, 12209), (2947, 9135), (3045, 8841), (3789, 7105), (4263, 6315)]