285439231

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 384786432

約数和(自身を除く): 99347201

約数列:

[1, 7, 11, 17, 77, 101, 119, 127, 187, 289, 707, 889, 1111, 1309, 1397, 1717, 2023, 2159, 3179, 7777, 9779, 12019, 12827, 15113, 18887, 22253, 23749, 29189, 36703, 89789, 132209, 141097, 166243, 204323, 218059, 256921, 321079, 403733, 987679, 1526413, 2247553, 2398649, 2826131, 3707003, 16790543, 25949021, 40777033, 285439231]

約数ペア:

[(1, 285439231), (7, 40777033), (11, 25949021), (17, 16790543), (77, 3707003), (101, 2826131), (119, 2398649), (127, 2247553), (187, 1526413), (289, 987679), (707, 403733), (889, 321079), (1111, 256921), (1309, 218059), (1397, 204323), (1717, 166243), (2023, 141097), (2159, 132209), (3179, 89789), (7777, 36703), (9779, 29189), (12019, 23749), (12827, 22253), (15113, 18887)]