81020199

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 124830720

約数和(自身を除く): 43810521

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 689, 741, 1007, 2063, 2067, 3021, 6189, 13091, 26819, 39197, 39273, 80457, 109339, 117591, 328017, 509561, 1421407, 1528683, 2077441, 4264221, 6232323, 27006733, 81020199]

約数ペア:

[(1, 81020199), (3, 27006733), (13, 6232323), (19, 4264221), (39, 2077441), (53, 1528683), (57, 1421407), (159, 509561), (247, 328017), (689, 117591), (741, 109339), (1007, 80457), (2063, 39273), (2067, 39197), (3021, 26819), (6189, 13091)]