139128219

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 216599040

約数和(自身を除く): 77470821

約数列:

[1, 3, 9, 23, 27, 69, 157, 207, 471, 621, 1413, 1427, 3611, 4239, 4281, 10833, 12843, 32499, 32821, 38529, 97497, 98463, 224039, 295389, 672117, 886167, 2016351, 5152897, 6049053, 15458691, 46376073, 139128219]

約数ペア:

[(1, 139128219), (3, 46376073), (9, 15458691), (23, 6049053), (27, 5152897), (69, 2016351), (157, 886167), (207, 672117), (471, 295389), (621, 224039), (1413, 98463), (1427, 97497), (3611, 38529), (4239, 32821), (4281, 32499), (10833, 12843)]