147491211

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3191}}^1$

素因数の和:3303

約数の個数: 32

約数和(自身を含む): 235339776

約数和(自身を除く): 87848565

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 2201, 3191, 6603, 9573, 15407, 22337, 46221, 67011, 98921, 226561, 296763, 679683, 692447, 1585927, 2077341, 4757781, 7023391, 21070173, 49163737, 147491211]

約数ペア:

[(1, 147491211), (3, 49163737), (7, 21070173), (21, 7023391), (31, 4757781), (71, 2077341), (93, 1585927), (213, 692447), (217, 679683), (497, 296763), (651, 226561), (1491, 98921), (2201, 67011), (3191, 46221), (6603, 22337), (9573, 15407)]