71736147

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3461}}^1$

素因数の和:3528

約数の個数: 36

約数和(自身を含む): 123136416

約数和(自身を除く): 51400269

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 3461, 6909, 10383, 20727, 24227, 31149, 72681, 162667, 169589, 218043, 488001, 508767, 1138669, 1464003, 1526301, 3416007, 7970683, 10248021, 23912049, 71736147]

約数ペア:

[(1, 71736147), (3, 23912049), (7, 10248021), (9, 7970683), (21, 3416007), (47, 1526301), (49, 1464003), (63, 1138669), (141, 508767), (147, 488001), (329, 218043), (423, 169589), (441, 162667), (987, 72681), (2303, 31149), (2961, 24227), (3461, 20727), (6909, 10383)]