31388817

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1117}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 48297600

約数和(自身を除く): 16908783

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 323, 493, 551, 969, 1117, 1479, 1653, 3351, 9367, 18989, 21223, 28101, 32393, 56967, 63669, 97179, 360791, 550681, 615467, 1082373, 1652043, 1846401, 10462939, 31388817]

約数ペア:

[(1, 31388817), (3, 10462939), (17, 1846401), (19, 1652043), (29, 1082373), (51, 615467), (57, 550681), (87, 360791), (323, 97179), (493, 63669), (551, 56967), (969, 32393), (1117, 28101), (1479, 21223), (1653, 18989), (3351, 9367)]