31693311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 21377889

約数列:

[1, 3, 9, 13, 19, 39, 53, 57, 117, 159, 171, 247, 269, 477, 689, 741, 807, 1007, 2067, 2223, 2421, 3021, 3497, 5111, 6201, 9063, 10491, 13091, 14257, 15333, 31473, 39273, 42771, 45999, 66443, 117819, 128313, 185341, 199329, 270883, 556023, 597987, 812649, 1668069, 2437947, 3521479, 10564437, 31693311]

約数ペア:

[(1, 31693311), (3, 10564437), (9, 3521479), (13, 2437947), (19, 1668069), (39, 812649), (53, 597987), (57, 556023), (117, 270883), (159, 199329), (171, 185341), (247, 128313), (269, 117819), (477, 66443), (689, 45999), (741, 42771), (807, 39273), (1007, 31473), (2067, 15333), (2223, 14257), (2421, 13091), (3021, 10491), (3497, 9063), (5111, 6201)]