77890761

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 128262400

約数和(自身を除く): 50371639

約数列:

[1, 3, 9, 13, 27, 39, 53, 79, 117, 159, 237, 351, 477, 689, 711, 1027, 1431, 2067, 2133, 2809, 3081, 4187, 6201, 8427, 9243, 12561, 18603, 25281, 27729, 36517, 37683, 54431, 75843, 109551, 113049, 163293, 221911, 328653, 489879, 665733, 985959, 1469637, 1997199, 2884843, 5991597, 8654529, 25963587, 77890761]

約数ペア:

[(1, 77890761), (3, 25963587), (9, 8654529), (13, 5991597), (27, 2884843), (39, 1997199), (53, 1469637), (79, 985959), (117, 665733), (159, 489879), (237, 328653), (351, 221911), (477, 163293), (689, 113049), (711, 109551), (1027, 75843), (1431, 54431), (2067, 37683), (2133, 36517), (2809, 27729), (3081, 25281), (4187, 18603), (6201, 12561), (8427, 9243)]