1561571805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{859}}^1\times {\mathrm{7129}}^1$

素因数の和:8013

約数の個数: 32

約数和(自身を含む): 2648937600

約数和(自身を除く): 1087365795

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 859, 2577, 4295, 7129, 12885, 14603, 21387, 35645, 43809, 73015, 106935, 121193, 219045, 363579, 605965, 1817895, 6123811, 18371433, 30619055, 91857165, 104104787, 312314361, 520523935, 1561571805]

約数ペア:

[(1, 1561571805), (3, 520523935), (5, 312314361), (15, 104104787), (17, 91857165), (51, 30619055), (85, 18371433), (255, 6123811), (859, 1817895), (2577, 605965), (4295, 363579), (7129, 219045), (12885, 121193), (14603, 106935), (21387, 73015), (35645, 43809)]