81696135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{320377}}^1$

素因数の和:320402

約数の個数: 16

約数和(自身を含む): 138403296

約数和(自身を除く): 56707161

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 320377, 961131, 1601885, 4805655, 5446409, 16339227, 27232045, 81696135]

約数ペア:

[(1, 81696135), (3, 27232045), (5, 16339227), (15, 5446409), (17, 4805655), (51, 1601885), (85, 961131), (255, 320377)]