311920131

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{863}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 465315840

約数和(自身を除く): 153395709

約数列:

[1, 3, 17, 19, 51, 57, 323, 373, 863, 969, 1119, 2589, 6341, 7087, 14671, 16397, 19023, 21261, 44013, 49191, 120479, 278749, 321899, 361437, 836247, 965697, 5472283, 6116081, 16416849, 18348243, 103973377, 311920131]

約数ペア:

[(1, 311920131), (3, 103973377), (17, 18348243), (19, 16416849), (51, 6116081), (57, 5472283), (323, 965697), (373, 836247), (863, 361437), (969, 321899), (1119, 278749), (2589, 120479), (6341, 49191), (7087, 44013), (14671, 21261), (16397, 19023)]