81030645

素因数分解:

$3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1543}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 144518400

約数和(自身を除く): 63487755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 389, 1167, 1543, 1945, 3501, 4629, 5835, 7715, 10503, 13887, 17505, 23145, 41661, 52515, 69435, 208305, 600227, 1800681, 3001135, 5402043, 9003405, 16206129, 27010215, 81030645]

約数ペア:

[(1, 81030645), (3, 27010215), (5, 16206129), (9, 9003405), (15, 5402043), (27, 3001135), (45, 1800681), (135, 600227), (389, 208305), (1167, 69435), (1543, 52515), (1945, 41661), (3501, 23145), (4629, 17505), (5835, 13887), (7715, 10503)]