138870531

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{59119}}^1$

素因数の和:59160

約数の個数: 20

約数和(自身を含む): 214605600

約数和(自身を除く): 75735069

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 59119, 177357, 532071, 1596213, 1714451, 4788639, 5143353, 15430059, 46290177, 138870531]

約数ペア:

[(1, 138870531), (3, 46290177), (9, 15430059), (27, 5143353), (29, 4788639), (81, 1714451), (87, 1596213), (261, 532071), (783, 177357), (2349, 59119)]