78307281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18089}}^1$

素因数の和:18145

約数の個数: 24

約数和(自身を含む): 125110440

約数和(自身を除く): 46803159

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 18089, 54267, 162801, 235157, 669293, 705471, 2007879, 2116413, 6023637, 8700809, 26102427, 78307281]

約数ペア:

[(1, 78307281), (3, 26102427), (9, 8700809), (13, 6023637), (37, 2116413), (39, 2007879), (111, 705471), (117, 669293), (333, 235157), (481, 162801), (1443, 54267), (4329, 18089)]