61312815

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15661}}^1$

素因数の和:15704

約数の個数: 32

約数和(自身を含む): 112766400

約数和(自身を除く): 51453585

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 15661, 46983, 78305, 140949, 234915, 422847, 454169, 704745, 1362507, 2114235, 2270845, 4087521, 6812535, 12262563, 20437605, 61312815]

約数ペア:

[(1, 61312815), (3, 20437605), (5, 12262563), (9, 6812535), (15, 4087521), (27, 2270845), (29, 2114235), (45, 1362507), (87, 704745), (135, 454169), (145, 422847), (261, 234915), (435, 140949), (783, 78305), (1305, 46983), (3915, 15661)]