68147775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{839}}^1$

素因数の和:893

約数の個数: 54

約数和(自身を含む): 128976120

約数和(自身を除く): 60828345

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 361, 475, 839, 855, 1083, 1425, 1805, 2517, 3249, 4195, 4275, 5415, 7551, 9025, 12585, 15941, 16245, 20975, 27075, 37755, 47823, 62925, 79705, 81225, 143469, 188775, 239115, 302879, 398525, 717345, 908637, 1195575, 1514395, 2725911, 3586725, 4543185, 7571975, 13629555, 22715925, 68147775]

約数ペア:

[(1, 68147775), (3, 22715925), (5, 13629555), (9, 7571975), (15, 4543185), (19, 3586725), (25, 2725911), (45, 1514395), (57, 1195575), (75, 908637), (95, 717345), (171, 398525), (225, 302879), (285, 239115), (361, 188775), (475, 143469), (839, 81225), (855, 79705), (1083, 62925), (1425, 47823), (1805, 37755), (2517, 27075), (3249, 20975), (4195, 16245), (4275, 15941), (5415, 12585), (7551, 9025)]