345726717

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{5519}}^1$

素因数の和:5705

約数の個数: 32

約数和(自身を含む): 558182400

約数和(自身を除く): 212455683

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 2983, 3297, 5519, 8949, 16557, 20881, 38633, 62643, 104861, 115899, 314583, 734027, 866483, 2202081, 2599449, 6065381, 16463177, 18196143, 49389531, 115242239, 345726717]

約数ペア:

[(1, 345726717), (3, 115242239), (7, 49389531), (19, 18196143), (21, 16463177), (57, 6065381), (133, 2599449), (157, 2202081), (399, 866483), (471, 734027), (1099, 314583), (2983, 115899), (3297, 104861), (5519, 62643), (8949, 38633), (16557, 20881)]