271993365

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 551606328

約数和(自身を除く): 279612963

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 293, 315, 421, 441, 735, 879, 1263, 1465, 2051, 2105, 2205, 2637, 2947, 3789, 4395, 6153, 6315, 8841, 10255, 13185, 14357, 14735, 18459, 18945, 20629, 26523, 30765, 43071, 44205, 61887, 71785, 92295, 103145, 123353, 129213, 132615, 185661, 215355, 309435, 370059, 616765, 646065, 863471, 928305, 1110177, 1850295, 2590413, 4317355, 5550885, 6044297, 7771239, 12952065, 18132891, 30221485, 38856195, 54398673, 90664455, 271993365]

約数ペア:

[(1, 271993365), (3, 90664455), (5, 54398673), (7, 38856195), (9, 30221485), (15, 18132891), (21, 12952065), (35, 7771239), (45, 6044297), (49, 5550885), (63, 4317355), (105, 2590413), (147, 1850295), (245, 1110177), (293, 928305), (315, 863471), (421, 646065), (441, 616765), (735, 370059), (879, 309435), (1263, 215355), (1465, 185661), (2051, 132615), (2105, 129213), (2205, 123353), (2637, 103145), (2947, 92295), (3789, 71785), (4395, 61887), (6153, 44205), (6315, 43071), (8841, 30765), (10255, 26523), (13185, 20629), (14357, 18945), (14735, 18459)]