80868405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1033}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 137579904

約数和(自身を除く): 56711499

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 307, 921, 1033, 1535, 3099, 4605, 5165, 5219, 15495, 15657, 17561, 26095, 52683, 78285, 87805, 263415, 317131, 951393, 1585655, 4756965, 5391227, 16173681, 26956135, 80868405]

約数ペア:

[(1, 80868405), (3, 26956135), (5, 16173681), (15, 5391227), (17, 4756965), (51, 1585655), (85, 951393), (255, 317131), (307, 263415), (921, 87805), (1033, 78285), (1535, 52683), (3099, 26095), (4605, 17561), (5165, 15657), (5219, 15495)]