61215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:79

約数の個数: 32

約数和(自身を含む): 124416

約数和(自身を除く): 63201

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 53, 55, 77, 105, 159, 165, 231, 265, 371, 385, 583, 795, 1113, 1155, 1749, 1855, 2915, 4081, 5565, 8745, 12243, 20405, 61215]

約数ペア:

[(1, 61215), (3, 20405), (5, 12243), (7, 8745), (11, 5565), (15, 4081), (21, 2915), (33, 1855), (35, 1749), (53, 1155), (55, 1113), (77, 795), (105, 583), (159, 385), (165, 371), (231, 265)]