1815666045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{25339}}^1$

素因数の和:25645

約数の個数: 32

約数和(自身を含む): 3087020160

約数和(自身を除く): 1271354115

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 281, 843, 1405, 4215, 4777, 14331, 23885, 25339, 71655, 76017, 126695, 380085, 430763, 1292289, 2153815, 6461445, 7120259, 21360777, 35601295, 106803885, 121044403, 363133209, 605222015, 1815666045]

約数ペア:

[(1, 1815666045), (3, 605222015), (5, 363133209), (15, 121044403), (17, 106803885), (51, 35601295), (85, 21360777), (255, 7120259), (281, 6461445), (843, 2153815), (1405, 1292289), (4215, 430763), (4777, 380085), (14331, 126695), (23885, 76017), (25339, 71655)]