28960281

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2287}}^1$

素因数の和:2370

約数の個数: 32

約数和(自身を含む): 49786880

約数和(自身を除く): 20826599

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1809, 2287, 4221, 6861, 12663, 16009, 20583, 48027, 61749, 144081, 153229, 432243, 459687, 1072603, 1379061, 3217809, 4137183, 9653427, 28960281]

約数ペア:

[(1, 28960281), (3, 9653427), (7, 4137183), (9, 3217809), (21, 1379061), (27, 1072603), (63, 459687), (67, 432243), (189, 153229), (201, 144081), (469, 61749), (603, 48027), (1407, 20583), (1809, 16009), (2287, 12663), (4221, 6861)]