30771465

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 20653815

約数列:

[1, 3, 5, 15, 29, 87, 127, 145, 381, 435, 557, 635, 1671, 1905, 2785, 3683, 8355, 11049, 16153, 18415, 48459, 55245, 70739, 80765, 212217, 242295, 353695, 1061085, 2051431, 6154293, 10257155, 30771465]

約数ペア:

[(1, 30771465), (3, 10257155), (5, 6154293), (15, 2051431), (29, 1061085), (87, 353695), (127, 242295), (145, 212217), (381, 80765), (435, 70739), (557, 55245), (635, 48459), (1671, 18415), (1905, 16153), (2785, 11049), (3683, 8355)]