16961091

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42509}}^1$

素因数の和:42538

約数の個数: 16

約数和(自身を含む): 27206400

約数和(自身を除く): 10245309

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 42509, 127527, 297563, 807671, 892689, 2423013, 5653697, 16961091]

約数ペア:

[(1, 16961091), (3, 5653697), (7, 2423013), (19, 892689), (21, 807671), (57, 297563), (133, 127527), (399, 42509)]