15690339

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:824

約数の個数: 36

約数和(自身を含む): 26960544

約数和(自身を除く): 11270205

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 757, 987, 2271, 2303, 2961, 5299, 6813, 6909, 15897, 20727, 35579, 37093, 47691, 106737, 111279, 249053, 320211, 333837, 747159, 1743371, 2241477, 5230113, 15690339]

約数ペア:

[(1, 15690339), (3, 5230113), (7, 2241477), (9, 1743371), (21, 747159), (47, 333837), (49, 320211), (63, 249053), (141, 111279), (147, 106737), (329, 47691), (423, 37093), (441, 35579), (757, 20727), (987, 15897), (2271, 6909), (2303, 6813), (2961, 5299)]