215580219

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{7639}}^1$

素因数の和:8074

約数の個数: 16

約数和(自身を含む): 300710400

約数和(自身を除く): 85130181

約数列:

[1, 3, 23, 69, 409, 1227, 7639, 9407, 22917, 28221, 175697, 527091, 3124351, 9373053, 71860073, 215580219]

約数ペア:

[(1, 215580219), (3, 71860073), (23, 9373053), (69, 3124351), (409, 527091), (1227, 175697), (7639, 28221), (9407, 22917)]