19701135

素因数分解:

$3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{683}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 34251984

約数和(自身を除く): 14550849

約数列:

[1, 3, 5, 9, 15, 45, 641, 683, 1923, 2049, 3205, 3415, 5769, 6147, 9615, 10245, 28845, 30735, 437803, 1313409, 2189015, 3940227, 6567045, 19701135]

約数ペア:

[(1, 19701135), (3, 6567045), (5, 3940227), (9, 2189015), (15, 1313409), (45, 437803), (641, 30735), (683, 28845), (1923, 10245), (2049, 9615), (3205, 6147), (3415, 5769)]