87273215

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 111104784

約数和(自身を除く): 23831569

約数列:

[1, 5, 31, 41, 155, 205, 443, 961, 1271, 2215, 4805, 6355, 13733, 18163, 39401, 68665, 90815, 197005, 425723, 563053, 2128615, 2815265, 17454643, 87273215]

約数ペア:

[(1, 87273215), (5, 17454643), (31, 2815265), (41, 2128615), (155, 563053), (205, 425723), (443, 197005), (961, 90815), (1271, 68665), (2215, 39401), (4805, 18163), (6355, 13733)]