128962071

素因数分解:

$3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1041

約数の個数: 48

約数和(自身を含む): 224570880

約数和(自身を除く): 95608809

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 107, 147, 189, 321, 441, 749, 911, 963, 1323, 2247, 2733, 2889, 5243, 6377, 6741, 8199, 15729, 19131, 20223, 24597, 44639, 47187, 57393, 97477, 133917, 141561, 172179, 292431, 401751, 682339, 877293, 1205253, 2047017, 2631879, 4776373, 6141051, 14329119, 18423153, 42987357, 128962071]

約数ペア:

[(1, 128962071), (3, 42987357), (7, 18423153), (9, 14329119), (21, 6141051), (27, 4776373), (49, 2631879), (63, 2047017), (107, 1205253), (147, 877293), (189, 682339), (321, 401751), (441, 292431), (749, 172179), (911, 141561), (963, 133917), (1323, 97477), (2247, 57393), (2733, 47187), (2889, 44639), (5243, 24597), (6377, 20223), (6741, 19131), (8199, 15729)]