31580739

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 49377600

約数和(自身を除く): 17796861

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 477, 761, 783, 1431, 1537, 2283, 4611, 6849, 13833, 20547, 22069, 40333, 41499, 66207, 120999, 198621, 362997, 595863, 1088991, 1169657, 3508971, 10526913, 31580739]

約数ペア:

[(1, 31580739), (3, 10526913), (9, 3508971), (27, 1169657), (29, 1088991), (53, 595863), (87, 362997), (159, 198621), (261, 120999), (477, 66207), (761, 41499), (783, 40333), (1431, 22069), (1537, 20547), (2283, 13833), (4611, 6849)]