2013999981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1\times {\mathrm{5387}}^1$

素因数の和:6353

約数の個数: 32

約数和(自身を含む): 3234524160

約数和(自身を除く): 1220524179

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 937, 2811, 5387, 6559, 16161, 17803, 19677, 37709, 53409, 102353, 113127, 124621, 307059, 373863, 716471, 2149413, 5047619, 15142857, 35333333, 95904761, 105999999, 287714283, 671333327, 2013999981]

約数ペア:

[(1, 2013999981), (3, 671333327), (7, 287714283), (19, 105999999), (21, 95904761), (57, 35333333), (133, 15142857), (399, 5047619), (937, 2149413), (2811, 716471), (5387, 373863), (6559, 307059), (16161, 124621), (17803, 113127), (19677, 102353), (37709, 53409)]