213573585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1669}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 360720000

約数和(自身を除く): 147146415

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 449, 1347, 1669, 2245, 5007, 6735, 8345, 8531, 25035, 25593, 31711, 42655, 95133, 127965, 158555, 475665, 749381, 2248143, 3746905, 11240715, 14238239, 42714717, 71191195, 213573585]

約数ペア:

[(1, 213573585), (3, 71191195), (5, 42714717), (15, 14238239), (19, 11240715), (57, 3746905), (95, 2248143), (285, 749381), (449, 475665), (1347, 158555), (1669, 127965), (2245, 95133), (5007, 42655), (6735, 31711), (8345, 25593), (8531, 25035)]