189217161

素因数分解:

$3^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2039}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 321177600

約数和(自身を除く): 131960439

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 491, 1473, 2039, 3437, 4419, 6117, 10311, 13257, 14273, 18351, 30933, 42819, 55053, 92799, 128457, 385371, 1001149, 3003447, 7008043, 9010341, 21024129, 27031023, 63072387, 189217161]

約数ペア:

[(1, 189217161), (3, 63072387), (7, 27031023), (9, 21024129), (21, 9010341), (27, 7008043), (63, 3003447), (189, 1001149), (491, 385371), (1473, 128457), (2039, 92799), (3437, 55053), (4419, 42819), (6117, 30933), (10311, 18351), (13257, 14273)]