780534

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 1711632

約数和(自身を除く): 931098

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 421, 618, 842, 927, 1263, 1854, 2526, 3789, 7578, 43363, 86726, 130089, 260178, 390267, 780534]

約数ペア:

[(1, 780534), (2, 390267), (3, 260178), (6, 130089), (9, 86726), (18, 43363), (103, 7578), (206, 3789), (309, 2526), (421, 1854), (618, 1263), (842, 927)]