15204579

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 24756480

約数和(自身を除く): 9551901

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 71, 213, 221, 247, 289, 323, 663, 741, 867, 923, 969, 1207, 1349, 2769, 3621, 3757, 4047, 4199, 5491, 11271, 12597, 15691, 16473, 17537, 20519, 22933, 47073, 52611, 61557, 68799, 71383, 214149, 266747, 298129, 389861, 800241, 894387, 1169583, 5068193, 15204579]

約数ペア:

[(1, 15204579), (3, 5068193), (13, 1169583), (17, 894387), (19, 800241), (39, 389861), (51, 298129), (57, 266747), (71, 214149), (213, 71383), (221, 68799), (247, 61557), (289, 52611), (323, 47073), (663, 22933), (741, 20519), (867, 17537), (923, 16473), (969, 15691), (1207, 12597), (1349, 11271), (2769, 5491), (3621, 4199), (3757, 4047)]