28931164431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{378289}}^1$

素因数の和:378395

約数の個数: 32

約数和(自身を含む): 43470060480

約数和(自身を除く): 14538896049

約数列:

[1, 3, 13, 37, 39, 53, 111, 159, 481, 689, 1443, 1961, 2067, 5883, 25493, 76479, 378289, 1134867, 4917757, 13996693, 14753271, 20049317, 41990079, 60147951, 181957009, 260641121, 545871027, 741824729, 781923363, 2225474187, 9643721477, 28931164431]

約数ペア:

[(1, 28931164431), (3, 9643721477), (13, 2225474187), (37, 781923363), (39, 741824729), (53, 545871027), (111, 260641121), (159, 181957009), (481, 60147951), (689, 41990079), (1443, 20049317), (1961, 14753271), (2067, 13996693), (5883, 4917757), (25493, 1134867), (76479, 378289)]