131505195

素因数分解:

$3^1\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{4091}}^1$

素因数の和:6242

約数の個数: 16

約数和(自身を含む): 210557952

約数和(自身を除く): 79052757

約数列:

[1, 3, 5, 15, 2143, 4091, 6429, 10715, 12273, 20455, 32145, 61365, 8767013, 26301039, 43835065, 131505195]

約数ペア:

[(1, 131505195), (3, 43835065), (5, 26301039), (15, 8767013), (2143, 61365), (4091, 32145), (6429, 20455), (10715, 12273)]