42009855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 71178240

約数和(自身を除く): 29168385

約数列:

[1, 3, 5, 15, 19, 57, 95, 223, 285, 661, 669, 1115, 1983, 3305, 3345, 4237, 9915, 12559, 12711, 21185, 37677, 62795, 63555, 147403, 188385, 442209, 737015, 2211045, 2800657, 8401971, 14003285, 42009855]

約数ペア:

[(1, 42009855), (3, 14003285), (5, 8401971), (15, 2800657), (19, 2211045), (57, 737015), (95, 442209), (223, 188385), (285, 147403), (661, 63555), (669, 62795), (1115, 37677), (1983, 21185), (3305, 12711), (3345, 12559), (4237, 9915)]