248571807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 399748608

約数和(自身を除く): 151176801

約数列:

[1, 3, 11, 17, 33, 41, 51, 101, 107, 123, 187, 303, 321, 451, 561, 697, 1111, 1177, 1353, 1717, 1819, 2091, 3333, 3531, 4141, 4387, 5151, 5457, 7667, 10807, 12423, 13161, 18887, 20009, 23001, 32421, 45551, 48257, 56661, 60027, 70397, 74579, 118877, 136653, 144771, 183719, 211191, 223737, 356631, 443087, 551157, 774367, 820369, 1329261, 2020909, 2323101, 2461107, 4873957, 6062727, 7532479, 14621871, 22597437, 82857269, 248571807]

約数ペア:

[(1, 248571807), (3, 82857269), (11, 22597437), (17, 14621871), (33, 7532479), (41, 6062727), (51, 4873957), (101, 2461107), (107, 2323101), (123, 2020909), (187, 1329261), (303, 820369), (321, 774367), (451, 551157), (561, 443087), (697, 356631), (1111, 223737), (1177, 211191), (1353, 183719), (1717, 144771), (1819, 136653), (2091, 118877), (3333, 74579), (3531, 70397), (4141, 60027), (4387, 56661), (5151, 48257), (5457, 45551), (7667, 32421), (10807, 23001), (12423, 20009), (13161, 18887)]