11964813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 19415040

約数和(自身を除く): 7450227

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 191, 399, 471, 573, 1099, 1337, 2983, 3297, 3629, 4011, 8949, 10887, 20881, 25403, 29987, 62643, 76209, 89961, 209909, 569753, 629727, 1709259, 3988271, 11964813]

約数ペア:

[(1, 11964813), (3, 3988271), (7, 1709259), (19, 629727), (21, 569753), (57, 209909), (133, 89961), (157, 76209), (191, 62643), (399, 29987), (471, 25403), (573, 20881), (1099, 10887), (1337, 8949), (2983, 4011), (3297, 3629)]