2219979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 3456000

約数和(自身を除く): 1236021

約数列:

[1, 3, 17, 19, 29, 51, 57, 79, 87, 237, 323, 493, 551, 969, 1343, 1479, 1501, 1653, 2291, 4029, 4503, 6873, 9367, 25517, 28101, 38947, 43529, 76551, 116841, 130587, 739993, 2219979]

約数ペア:

[(1, 2219979), (3, 739993), (17, 130587), (19, 116841), (29, 76551), (51, 43529), (57, 38947), (79, 28101), (87, 25517), (237, 9367), (323, 6873), (493, 4503), (551, 4029), (969, 2291), (1343, 1653), (1479, 1501)]