211388511

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 302984640

約数和(自身を除く): 91596129

約数列:

[1, 3, 29, 37, 87, 97, 111, 291, 677, 1073, 2031, 2813, 3219, 3589, 8439, 10767, 19633, 25049, 58899, 65669, 75147, 104081, 197007, 312243, 726421, 1904401, 2179263, 2429753, 5713203, 7289259, 70462837, 211388511]

約数ペア:

[(1, 211388511), (3, 70462837), (29, 7289259), (37, 5713203), (87, 2429753), (97, 2179263), (111, 1904401), (291, 726421), (677, 312243), (1073, 197007), (2031, 104081), (2813, 75147), (3219, 65669), (3589, 58899), (8439, 25049), (10767, 19633)]