1555492779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{128119}}^1$

素因数の和:128215

約数の個数: 24

約数和(自身を含む): 2398406400

約数和(自身を除く): 842913621

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 128119, 384357, 1153071, 2434261, 7302783, 9096449, 21908349, 27289347, 81868041, 172832531, 518497593, 1555492779]

約数ペア:

[(1, 1555492779), (3, 518497593), (9, 172832531), (19, 81868041), (57, 27289347), (71, 21908349), (171, 9096449), (213, 7302783), (639, 2434261), (1349, 1153071), (4047, 384357), (12141, 128119)]