71596215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 130122720

約数和(自身を除く): 58526505

約数列:

[1, 3, 5, 9, 15, 29, 45, 83, 87, 145, 249, 261, 415, 435, 661, 747, 1245, 1305, 1983, 2407, 3305, 3735, 5949, 7221, 9915, 12035, 19169, 21663, 29745, 36105, 54863, 57507, 95845, 108315, 164589, 172521, 274315, 287535, 493767, 822945, 862605, 1591027, 2468835, 4773081, 7955135, 14319243, 23865405, 71596215]

約数ペア:

[(1, 71596215), (3, 23865405), (5, 14319243), (9, 7955135), (15, 4773081), (29, 2468835), (45, 1591027), (83, 862605), (87, 822945), (145, 493767), (249, 287535), (261, 274315), (415, 172521), (435, 164589), (661, 108315), (747, 95845), (1245, 57507), (1305, 54863), (1983, 36105), (2407, 29745), (3305, 21663), (3735, 19169), (5949, 12035), (7221, 9915)]