74778015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20183}}^1$

素因数の和:20223

約数の個数: 32

約数和(自身を含む): 135636480

約数和(自身を除く): 60858465

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 20183, 60549, 100915, 262379, 302745, 383477, 787137, 1150431, 1311895, 1917385, 3935685, 4985201, 5752155, 14955603, 24926005, 74778015]

約数ペア:

[(1, 74778015), (3, 24926005), (5, 14955603), (13, 5752155), (15, 4985201), (19, 3935685), (39, 1917385), (57, 1311895), (65, 1150431), (95, 787137), (195, 383477), (247, 302745), (285, 262379), (741, 100915), (1235, 60549), (3705, 20183)]