31965297

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 22809423

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 389, 559, 637, 903, 1167, 1677, 1911, 2107, 2723, 3913, 5057, 6321, 8169, 11739, 15171, 16727, 19061, 27391, 35399, 50181, 57183, 82173, 106197, 117089, 217451, 247793, 351267, 652353, 743379, 819623, 1522157, 2458869, 4566471, 10655099, 31965297]

約数ペア:

[(1, 31965297), (3, 10655099), (7, 4566471), (13, 2458869), (21, 1522157), (39, 819623), (43, 743379), (49, 652353), (91, 351267), (129, 247793), (147, 217451), (273, 117089), (301, 106197), (389, 82173), (559, 57183), (637, 50181), (903, 35399), (1167, 27391), (1677, 19061), (1911, 16727), (2107, 15171), (2723, 11739), (3913, 8169), (5057, 6321)]