1309945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2879}}^1$

素因数の和:2904

約数の個数: 16

約数和(自身を含む): 1935360

約数和(自身を除く): 625415

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2879, 14395, 20153, 37427, 100765, 187135, 261989, 1309945]

約数ペア:

[(1, 1309945), (5, 261989), (7, 187135), (13, 100765), (35, 37427), (65, 20153), (91, 14395), (455, 2879)]