31315785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 53384832

約数和(自身を除く): 22069047

約数列:

[1, 3, 5, 15, 17, 51, 85, 227, 255, 541, 681, 1135, 1623, 2705, 3405, 3859, 8115, 9197, 11577, 19295, 27591, 45985, 57885, 122807, 137955, 368421, 614035, 1842105, 2087719, 6263157, 10438595, 31315785]

約数ペア:

[(1, 31315785), (3, 10438595), (5, 6263157), (15, 2087719), (17, 1842105), (51, 614035), (85, 368421), (227, 137955), (255, 122807), (541, 57885), (681, 45985), (1135, 27591), (1623, 19295), (2705, 11577), (3405, 9197), (3859, 8115)]