28531695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2729}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 21001425

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 2729, 3485, 8187, 10455, 13645, 40935, 46393, 111889, 139179, 231965, 335667, 559445, 695895, 1678335, 1902113, 5706339, 9510565, 28531695]

約数ペア:

[(1, 28531695), (3, 9510565), (5, 5706339), (15, 1902113), (17, 1678335), (41, 695895), (51, 559445), (85, 335667), (123, 231965), (205, 139179), (255, 111889), (615, 46393), (697, 40935), (2091, 13645), (2729, 10455), (3485, 8187)]