15187557

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 26216960

約数和(自身を除く): 11029403

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 121, 129, 139, 231, 301, 363, 417, 473, 847, 903, 973, 1419, 1529, 2541, 2919, 3311, 4587, 5203, 5977, 9933, 10703, 15609, 16819, 17931, 32109, 36421, 41839, 50457, 65747, 109263, 117733, 125517, 197241, 353199, 460229, 723217, 1380687, 2169651, 5062519, 15187557]

約数ペア:

[(1, 15187557), (3, 5062519), (7, 2169651), (11, 1380687), (21, 723217), (33, 460229), (43, 353199), (77, 197241), (121, 125517), (129, 117733), (139, 109263), (231, 65747), (301, 50457), (363, 41839), (417, 36421), (473, 32109), (847, 17931), (903, 16819), (973, 15609), (1419, 10703), (1529, 9933), (2541, 5977), (2919, 5203), (3311, 4587)]